Add `compile_static` and `compile_static_lazy` utility functions.
Release 0.4
merged
Merge branch 'toMerge'

Conflicts:
	static_precompiler/management/commands/static_precompiler_watch.py
	static_precompiler/templatetags/base.py
	static_precompiler/tests/test_less.py
	static_precompiler/tests/test_scss.py
	static_precompiler/utils.py