Rewrite rakkar
Compiler :
	1. Compiler now takes app properties to compile whole app.
	2. Compiler uses yuiCompressor to minify the script while compiling.
	3. Removed shell scripts
	4. Apps will have custom compile properties
FrontEnd library :
	1. Front-end library now uses jQuery deferred.
	2. HTMLBuilder class to keep the current context.
	3. Documentation improved.
Merge branch 'master' of https://github.com/raghavneesh/rakkar