ME: WIP-fixing issue with display or 'New Project' button on homepage
ME: 'NEW PROJECT' button has same size on both chrome and firefox
ME: WIP-added xhr for search functionality
ME: homepage search functionality uses ajax request
ME: on homepage, search field, sort by dropdown and 'all', 'public' and 'private' now make xhr
ME: added placeholder pages for links in homepage side panel
ME: fixed firefox loading modal bug, modal hides after response is recieved
ME: added transformation for loading modal
ME: added placeholder links on learn.html
ME: fixed rebase conflicts, refactored homepage ajax requests
ME: refactored search route, close welcome message function and get-url test
ME|RR: used '(.-target event)' as suggested, removed function from 'let', set href elements in template
ME: code refactor; removed unused objects, renamed objects
PLD: remove whitespace
PLD: reorder, tighten cljs
PLD: reorder project.cljs to remove warnings
Merge pull request #704 from onaio/543_home_page_ui_tweaks

543 home page ui tweaks
WM: Centered modals in place
Modal dialogs cleanup
WM: Moved project list pager dropdown position, closes #609