replaced fancybox with magnific-popup
Add SiteConfig Extension per default
added Lightweight timer to wrap around setTimeout and setInterval
Added background size polyfill
added mixin for background size polyfill
improved mixin for cutom-fonts
css defaults "refactored"
Merge pull request #15 from Zauberfisch/master

SSViewer::flush_template_cache() no longer needed
allow setting the log path via _ss_environment.php
as od 3.1 it is no longer possible to set display_errors in _config.php
set display_errors in _ss_environment.php
updated SiteConfig extension to be compatible with new DataExtension argument
temporarily fetch silverstripe-link-field from 3.1 compatible fork
fixed require path of normalize.css and h5bp.css
timer now returns this on all methods
Fixed documentation for using compass / scss (fixes #19)
updated normalize.css and h5bp.css
updated some css defaults: box-sizing on pseudo elements as well, box-sizing IE polyfill now disabled by default, clean up
Merge branch 'dev' into master