Changed the look and feel of home page according to selected mockup finxing #46 and #35
Changed the look and feel of UI as per mockup by changing styling of navigation bar,carousel,categories alongwith a section for recently added factoids
Changed Factoids model to order factoid records by publication date as against title and added a page_processor for factoids to display factoid section, this partially implements the new feature #43
Changed look and feel of home page, optimized it for mobile view according to the decided mockup,Fixes issues #46,#35 and #43
Modified storage.py to read exif information of image if present and rotate accordingly to ensure portrait images are not inverted in Media Library thumbnails, fixes issue #41
Incorporated feedback from version one of homepage
UI Feedbback fixing logo positioning
Revert "Changed Factoids model to order factoid records by publication date as against title and added a page_processor for factoids to display factoid section, this partially implements the new feature #43"

This reverts commit ad72d15ef351e5501317d8df2df2f0073c367b5f.
More UI tweaks