[CLEANUP]Cleanup gruntfile
Merge branch 'development' of https://github.com/b13/b_json-nav into development

* 'development' of https://github.com/b13/b_json-nav:
  Updated release code
  [FIX]Readded less task
  [FIX]Standalone dev config fix
  [FIX]Fixed package.son and Grunfile for standalone development

Conflicts:
	Gruntfile.js