The latter is actually what is used by the build system. Increased
PKG_RELEASE for all packages as this changes the ipk.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Google's gflags library is a C++ library that implements command line
flags processing. Adding the library so that it can used when compiling
other C++ programs.

Signed-off-by: Amol Bhave <ambhave@fb.com>