split stan-mode from stan-snippets
Merge branch 'master' into develop

Conflicts:
	stan-snippets.el
split flycheck stuff from stan-mode
split autocomplete-mode from stan-mode
creating directories for each package
starting to refactor into different packages in different dir
more refactoring
more refactoring
misc
update
misc
move common parts of Makefiles to common.mk
updating README
misc
put source snippets in the snippets directory
cleaning up README
cleaning up README
updating version numbers
cleaning up README
updating Makefile