Thrift-1715: Allow excluding libraries in fb303 configure
Client: fb303
Patch: Harsh J

Updated patch to allow for excluding all avaliable lang libraries using the
--without-<lib> configure flag. Configure output added to notify user of
result

Building C++ Library ......... : yes
Building Java Library ........ : yes
Building Python Library ...... : yes
Building PHP Library ......... : yes
Thrift-1804: Ruby extension on ARM complains about signed chars
Client: rb
Patch: Elias Karakoulakis

Updated extension makefile to use signed char flag