ME: clicking 'x' button hides the welcome meessage
ME|RR: hiding welcome message when home page is accessed again
ME|RR: welcome message hidden permanently after being closed initially
ME|RR: added a callback to 'get-url' implementation
WM|RR: Show icons and user avatars, closes #664
WM: Header labels and icons vertical align
WM: Added temporary background and org avatar, closes #407
WM: Maximum heights set for dataview dropdowns, closes #660
WM: Viewby boxes fixes+close btn fix, closes #667
PLD: function for if no callback passed
WM: Profile avatar stretches to fit
RR: use dommy/hide! instead of dommy/set-style!
Merge pull request #669 from onaio/585_add_close_event_to_x_button

585 add close event to x button
PLD: abstract gravatar helper and set org bg
PLD: add avatar class
PLD: typo fixes
Merge pull request #677 from onaio/660_mapchart_dropdowns

660 mapchart dropdowns
RR: fix click on done for add form dialog
RR: show form submission dialog as modal
RR: update functionality, closes #586