THRIFT-2793: Go compiler produces uncompilable code
Client: go
Patch: Jens Geyer

Updating changelog for this ticket
compiler: remove trailing whitespaces
THRIFT-2773: java - fixed oneway support while using TServiceClient

Client: java
Patch: Konrad Grochowski

new method for oneway call provided by TServiceClient
and compiler will now use it

This closes #241