add bootstrap style for Search button on Topic edit page
replaced plus, minus, marker and search png with bootstrap icons
used bootbox dialogs on moderation page
Merge remote-tracking branch 'histvest/master'
add bootstrap styles on login, forgot password and change password pages
fixed: Crash after clicking on Alle ventende tema button (Under Moderation page)
Merge branch 'master' of github.com:globalitdevelopment/histvest