#124 add option to suggest new tag

TODO:
1. modify admin to approve tag suggestions
2. move css changes to less
Merge branch 'master' into tags_suggestions
#124 Tagging - option to suggest new tags
move css to less
Merge branch 'tags_suggestions' of https://github.com/OriHoch/Open-Knesset
Redesign about page
Add about link to footer
Usage terms anchor in about, footer links to it
floating header and sidebar when scrolling the protocol - preperation for infinite scroll
finalizing infinity scroll - it's working now, but might need some improvements
remove testing stuff
Merge header_icons branch. Fixes #106

Squashed commit of the following:

commit 04862cb553668a661d1f59b69593727e74617fac
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 22:03:02 2013 +0200

    Header icons in agenda_detail

commit 50c62a64ebf46490e45b54c6c12d62fb6852ea1a
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:55:01 2013 +0200

    Header icons in agenda_list

commit 821a53453b653337445113635e0a8cfadda7e01e
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:50:23 2013 +0200

    Header icons in object_comment_list

commit 99bfbcf5dafe228b9881b716cb0c1b980342f9d0
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:49:30 2013 +0200

    Header icon in topic_detail

commit 7e281e6785eac70aeb2824ec32165d4533e46ff8
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:46:41 2013 +0200

    Icons in committee_detail

commit e8e3ccccd10d8fd6256965f6492c4aba6b819ef2
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:35:07 2013 +0200

    Icons in committee_detail

commit cbe9ec3f0de8140f532122d0001d8e765941320d
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:26:58 2013 +0200

    Icon in comment_list

commit 5d97ccb8f2c89131770893af5df0ecbfc4c29b5c
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:24:02 2013 +0200

    icons in vote detail

commit 5615bf5e31423116fae970b4c2defc712853854d
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:15:04 2013 +0200

    Icon for bill list template header

commit 6edf0b1a87bcb2998f7ed77c50f4d0f8d563f6cb
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 21:10:53 2013 +0200

    Icon for party agenda

commit 5c49a9be689bc403398861543291b32d46a9ff63
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 20:57:27 2013 +0200

    Header icon in main page

commit a494ce022edd8b0e789371a3ea0021007c580205
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 20:55:55 2013 +0200

    Reverse pull-left/right in main page tidbits

commit 8832959649b8f2fc32df0f4ec65db88a779eff13
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 20:47:07 2013 +0200

    Icons in member detail

commit a43d0c9af3e5c471dfbc1e09cad72c07a37342d5
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 20:46:36 2013 +0200

    Card header icon

commit 5ae3b256df2194b66dc7e9e407934a2504b8c366
Author: Meir Kriheli <mkriheli@gmail.com>
Date:   Mon Nov 25 19:35:20 2013 +0200

    Add font-awesome
 No text wrap for nav pills
Bump Django 1.5.5 and South 0.8.4
Bump django-devserver for support to latest django 1.5.5
Bump extensions and debug-toolbar
elazarg's refactoring - simple changes:

* documentation improvements
* code comments
* removing unused imports
rewrite candidate list voting statistics migration because it was missing budget estimation model (added by 0026)
add vote_type field to vote objects. populate it in a migration, and in update_vote_properties method
add vote_type to vote API. #179