Fix broken 3rd clause of BSD licence

Fixes #12
Always try 64-bit NDK on OSX

Fixes #10
Update for NDK r9d
Merge pull request #16 from Arbos/master

Update for NDK r9d
Create AndroidNdkGdb.cmake
Update AndroidNdkGdb.cmake

add licensing header
* wrap function bodies in if(ANDROID)
* rename GDB_SOLIB_PATH to NDK_GDB_SOLIB_PATH
* ensure jni/ folder exists
* do not overwrite existing Android *.mk files
Merge pull request #19 from paroj/master

Create AndroidNdkGdb.cmake