Updated 'About' strings to use LibPKMN
CMake fixes
bag/trainer: removed const from 'const sptr' returning functions
bag: fixed location of dict include
tests: UNIX variable fix
Started adding Linux Python tests

* Python tests will be run by shell/batch scripts
* Dict test tests SWIG Python extensions
Linux Python tests work
Made Linux Python tests more generic
Moved Qt4 subclass headers into normal header directory
Changed all instances of LibPKMNsim to LibPKMN