Renamed Folder

Context Scenes => Contexts
Removed unused old code file

Removed unused old code file (GlobsFuncs, all operations are stored in
System::Globs.*-Module)
Removed Scene_Main

Unused and not required since new internal technology
Removed Timer-Class

Removed unused timer class. the visual timer is not required since
faster loads.
Fixed Error in TestEngine

TestEngine could not be deactivated before fix
Clean up code base (commit 1)

Clean up code base with all modules and classes stored in "Lib/System".
All modules and classes (not Input!) now are stored in the
"System"-Module
Fixed load script

No longer loading now deleted files, loading Contexts from new
Contexts-Directory