unified css of buttons
styling changes in the tag selector, added exception handling for skin
allowed to enable and disable scopes on the main page
some additional work on the compressor branch
better compress support on the main and question pages
merged with the master branch
fixed css of the search bar
added option to disable the big ask button
text/less -> text/css
created default filler for the "followed" scope when it is the only enabled scope and added custom js placeholder for the question page