* Replace languageCaseSensitive by languageName data in PCU and caseSensitive parameters in Compiler functions
* Implement SearchDirectories filling in Compiler and move SPython standard modules to their new directory
* Implement search using current language extension first in Compiler
* Delete LibForVB folder and update TestRunner to support different Lib dirs
* Update installer scripts to create separate Lib folder for SPython
* Take into account Lib dirs not found
* Delete supportedSourceFiles variable in Compiler
* Delete unused functions from LanguageIntegrator
