initial version of modals
extracted blackout to mixin and reused in for modals and drawer
fixed assets' paths for modal in config file
one of the ways of implementing examples on Special:Styleguide page: loading "helper" components on dom ready
small fixes in styling
first implementation of small modal
Merge pull request #1711 from Wikia/DAR-2325; back ported from dev branch so there is no flood in the JS console

DAR-2325 P2 fix for flood in JS console
changed order of tags in header, implemented small modal with absolute positioning
added medium modal example on Special:Styleguide
added large modal
added code which will be removed later to display large modal example on Special:Styleguide
changed colors according to Earl's e-mail
added close button
added close buttons
small refactoring in the nasty code
added close button message
css clean-up
display modal on modal
changes in blackout styling so the modal over modal issue has been addressed
used the same pattern for drawer's background as for modals background/blackout