skip biglink for jb 4.3
add libcopy for jb 4.3
rename option to copylibs and clean up
fix help
Merge pull request #258 from kived/jb-dlopen

add copylibs option
move parts of get_keyboard_height to global
Merge pull request #272 from chozabu/inputpull3

move parts of get_keyboard_height to global
make private service work (but only if there is no public folder)
Merge pull request #273 from kived/service-private

make private service work (but only if there is no public folder)
fix django compilation. closes #231
Add support for NDK r10
Merge pull request #274 from rakesh-sankar/master

Add support for NDK r10 version
fix twisted recipe
Update toolchain.rst
Update prerequisites.rst

More clarification, after 
https://groups.google.com/forum/#!topic/python-android/jaK9rA9ZWa8
Update usage.rst

Added explanations
Added protobuf recipe
Add a storm/psycopg2 recipe

This should allow using python-storm (https://storm.canonical.com/) and
psycopg2 for connecting to a postgresql database.
add recipe for cprotobuf
Autodetect cython2 version