Added responsive classes to nav-collapse div

Added classes 'collapse' and 'navbar-responsive-collapse' to the nav-collapse div on line 44.  Dropdown menus were not responding properly in the collapsed response state.  Adding these two classes fixed this for me.
Update builtin_pagination.html

for Bootstrap 3.x
Update django_pagination_pagination.html

for Bootstrap 3.x
"Twitter Bootstrap" => "Bootstrap"

Per https://github.com/twbs/bootstrap/issues/9899
Bootstrap v3.1.0+ is MIT-licensed

See:
* http://blog.getbootstrap.com/2014/01/30/bootstrap-3-1-0-released/
* https://github.com/twbs/bootstrap/issues/2054#issuecomment-30894685
Bug Fix: Was still using old FA class
Merge pull request #70 from cvrebert/master

update Bootstrap's name & license
Update less.js
Upgrade FontAwesome from 4.0.3 to 4.1.0
5.3.0
Merge pull request #71 from GeyseR/patch-1

Update less.js
Merge pull request #68 from bmihelac/patch-5

Update django_pagination_pagination.html
Merge pull request #67 from bmihelac/patch-4

Update builtin_pagination.html
Merge branch 'master' of github.com:iepathos/pinax-theme-bootstrap into iepathos-master

Conflicts:
	pinax_theme_bootstrap/templates/theme_bootstrap/base.html
Merge branch 'iepathos-master'
5.4.0
rmoved banner_base and less_base #77
removed legacy templates #76
PEP8 nits
copyright year