Remove Apache license from API client generators (#4197)

* remove php apache license

* remove apache license from C#

* remove apache license in objc code

* remove license from swift 3 code

* remove apache license from perl code

* remove license from scala code

* remove license from ts, go, android, cpp, scala

* remove license from java api client

* restore clojure petstore files

* remove license from travis file

* clean up apache-related terms in php, ruby, python mustache tempaltes

* remove license from JS API cilent

samples/client/petstore/cpprest/model/Order.cpp

@@ -1,25 +1,13 @@
 /**
  * Swagger Petstore
- * This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+ * This is a sample server Petstore server.  You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).  For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * OpenAPI spec version: 1.0.0
- * Contact: apiteam@wordnik.com
+ * Contact: apiteam@swagger.io
  *
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  * Do not edit the class manually.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
  */
 
 
@@ -61,7 +49,7 @@ web::json::value Order::toJson() const
 {
     web::json::value val = web::json::value::object();
      
-	if(m_IdIsSet)
+    if(m_IdIsSet)
     {
         val[U("id")] = ModelBase::toJson(m_Id);
     }
@@ -124,12 +112,12 @@ void Order::fromJson(web::json::value& val)
 void Order::toMultipart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& prefix) const
 {
     utility::string_t namePrefix = prefix;
-	if(namePrefix.size() > 0 && namePrefix[namePrefix.size() - 1] != U('.'))
-	{
-		namePrefix += U(".");
-	}
+    if(namePrefix.size() > 0 && namePrefix[namePrefix.size() - 1] != U('.'))
+    {
+        namePrefix += U(".");
+    }
 
-	if(m_IdIsSet)
+    if(m_IdIsSet)
     {
         multipart->add(ModelBase::toHttpContent(namePrefix + U("id"), m_Id));
     }
@@ -161,10 +149,10 @@ void Order::toMultipart(std::shared_ptr<MultipartFormData> multipart, const util
 void Order::fromMultiPart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& prefix)
 {
     utility::string_t namePrefix = prefix;
-	if(namePrefix.size() > 0 && namePrefix[namePrefix.size() - 1] != U('.'))
-	{
-		namePrefix += U(".");
-	}
+    if(namePrefix.size() > 0 && namePrefix[namePrefix.size() - 1] != U('.'))
+    {
+        namePrefix += U(".");
+    }
 
     if(multipart->hasContent(U("id")))
     {
@@ -198,11 +186,11 @@ void Order::fromMultiPart(std::shared_ptr<MultipartFormData> multipart, const ut
    
 int64_t Order::getId() const
 {
-	return m_Id;
+    return m_Id;
 }
 void Order::setId(int64_t value)
 {
-	m_Id = value;
+    m_Id = value;
     m_IdIsSet = true;
 }
 bool Order::idIsSet() const
@@ -215,11 +203,11 @@ void Order::unsetId()
 }
 int64_t Order::getPetId() const
 {
-	return m_PetId;
+    return m_PetId;
 }
 void Order::setPetId(int64_t value)
 {
-	m_PetId = value;
+    m_PetId = value;
     m_PetIdIsSet = true;
 }
 bool Order::petIdIsSet() const
@@ -232,11 +220,11 @@ void Order::unsetPetId()
 }
 int32_t Order::getQuantity() const
 {
-	return m_Quantity;
+    return m_Quantity;
 }
 void Order::setQuantity(int32_t value)
 {
-	m_Quantity = value;
+    m_Quantity = value;
     m_QuantityIsSet = true;
 }
 bool Order::quantityIsSet() const
@@ -249,11 +237,11 @@ void Order::unsetQuantity()
 }
 utility::datetime Order::getShipDate() const
 {
-	return m_ShipDate;
+    return m_ShipDate;
 }
 void Order::setShipDate(utility::datetime value)
 {
-	m_ShipDate = value;
+    m_ShipDate = value;
     m_ShipDateIsSet = true;
 }
 bool Order::shipDateIsSet() const
@@ -266,11 +254,11 @@ void Order::unsetShipDate()
 }
 utility::string_t Order::getStatus() const
 {
-	return m_Status;
+    return m_Status;
 }
 void Order::setStatus(utility::string_t value)
 {
-	m_Status = value;
+    m_Status = value;
     m_StatusIsSet = true;
 }
 bool Order::statusIsSet() const
@@ -283,11 +271,11 @@ void Order::unsetStatus()
 }
 bool Order::getComplete() const
 {
-	return m_Complete;
+    return m_Complete;
 }
 void Order::setComplete(bool value)
 {
-	m_Complete = value;
+    m_Complete = value;
     m_CompleteIsSet = true;
 }
 bool Order::completeIsSet() const