updated project_about
updating reward list styles according to new bootstrap
made transition in reward card
Merge pull request #888 from thiagocatarse/bootstrap

adjustments in card-user
small style tweaks in project show and moved some texts to translation files
added contributoers panel to bootstrap in projects page
tweaking project post with new bootstrap styles and removing admin tabs from project show (this will go in dashboard later on)
search button now works in header
fixed select reward in project sidebar
removed code that is not currently in use to display sensitive information about the contribution
fixed contributions radio buttons and loader
adjustments in fonts classes