Updated maven configuration to ensure that 'mvn install' creates javadoc and sources jars as well.
Updated maven configuration to ensure that 'mvn install' creates javadoc and sources jars as well.

todoooo/gson,todoooo/gson,DanySK/gson-extras,testcenter/gson,mbrukman/gson,google/gson,mbrukman/gson,todoooo/gson,DanySK/gson-extras,mbrukman/gson,testcenter/gson,DanySK/gson-extras,testcenter/gson,gv2011/jsoncore