[#98] Add common issues tracker
[#98] add top menu for activity & tracker/pull requests
[#98] common pull requests
[#98] revert translation
[#122] Add flash block for guest main page
[#122] fix error messages in the registration page
[#98] create home controller;  move activity, common issues/pull_requests & root pages here
[#98] fix title of the page
dont show new inline comment buttons
Merge pull request #130 from abf/rosa-build:disable_guest_new_comment_button
 dont show new inline comment buttons for guests
Merge pull request #129 from abf/rosa-build:122-show_messages_on_root_page
 [refs #122] add flash block for guest main page
Merge pull request #128 from abf/rosa-build:98-common_tracker
 [refs #98] common tracker for issues and pull requests
[#98] again fix common tracker/pulls title
[#98] show in tracker sidebar count only open issues
[#98] fix common tracker/pulls title for english locale
Merge pull request #131 from abf/rosa-build:98-common_tracker
 [refs #98] fix titles & show count only opened issues/pull requests in sidebar
#133: attach only personal repositories to the build
#133: updated paths to extra repos, refactoring
#133: added comments
Merge pull request #134 from abf/rosa-build:133-only-personal-repositories-should-be-attached-to-the-build
 [refs #133] Only personal repositories should be attached to the build