CompilerUnit final modification. JavaCompilerUnit under developement -
rewriting in progress. Other Units temporary modified that they will let
the application to run.
Unused package removed. JavaCompiler WiP.
Added compiling and compilation error handling.
JavaCompiler works.
Merge remote-tracking branch 'origin/new-Java-compiler' into develop

Conflicts fixed in:
	src/org/kodersi/model/compilation/ClassFileManager.java
	src/org/kodersi/model/compilation/JavaSourceFromString.java
	src/org/kodersi/model/compilerFactory/CCompilerUnit.java
	src/org/kodersi/model/compilerFactory/CPlusPlusCompilerUnit.java
	src/org/kodersi/model/compilerFactory/PythonCompilerUnit.java
Merge branch 'develop' of git@github.com:Kodersi/OnlineCompilerPlatform.git into develop