Merge pull request #7 from marexandre/master

update navbar style for .navbar-worker
correct image path
update bower version
Merge pull request #8 from toshipon/master

correct image path
add arrown for dropdown
update jerichos version
Merge pull request #9 from toshipon/master

add arrow for dropdown
correct image path
remove dropdown-submenus arrow
Merge pull request #10 from toshipon/master

Correct image path and Remove dropdown-submenus arrow
update alert style