v0.3.1

• #39: Fixed annoying bug when includes were not properly restored and were overridden if some task failed. For now this is solved by force running all tasks. Please report any problems with this solution.
• Disabled tasks spawning and added livereload only for compiled CSS files
• Added new clean task to remove unused files from dist folder. Works only with default grunt task
• #26: Used placeholder / extend for clearfix mixin
• #35: Generated custom prefix for WordPress database tables
• #30: Fix duplicated container in template.html
• #29: Removed .wip class from WP part of project index
• #28: Fonts added to src/fonts folder are automatically copied to dist/fonts
• Updated white space