Merge pull request #30 from hasgeek/baseframe-bs3

Bootstrap 3 styling (including networkbar) for Baseframe.
Updated changelog.
Switch from 600 to 700 weight for bold
Fix for render field None/False values.
Tweaks in networkbar & custom-bs3
Merged changes from master
Dropdown animation problem fixed
Retain top border for selected menu item on hover
Fixed font issue in mobile networkbar