Update README link and improve config in-code doc
Fix #392 - Add require-ie.scss and adapters load to WebBlocks-ie
Fix #392 - Leakage issue with require-ie temporary file
Merge branch 'feature/392' into fix/387
Fix #387 - Use filter IE8- and SVG for IE9 gradients
Remove superfluous button definitions
Merge pull request #391 from ebollens/update_incode_comment_doc

Update README link and improve config in-code doc
Merge pull request #394 from ebollens/feature/392

Fix #392 - Add require-ie.scss and adapters load to WebBlocks-ie
Merge pull request #395 from ebollens/fix/387

Fix #387 - Use filter IE8- and SVG for IE9 gradients
#396 - Fix init_submodule_submodules
#396 - Add with_clean_bundler_env block scoping method
#396 - Fix bug in clean if files don't exist
#396 - Add OptiCSS package for stylesheet splitting
#396 - Update OptiCSS to not split on single produced file
#396 - Add config properties for OptiCSS
Add OptiCSS package handler
Merge pull request #398 from ebollens/feature/396

Fix #396 - Add support for CSS splitting