Squashed merge from development branch:

commit 2507a8dbc204905b0b4381e4b4f9f17e6e3831f2
Author: nishalr <thearchit@hotmail.com>
Date:   Sun Sep 29 14:24:33 2013 +0100

    Squashed commit of bundle_vim-powerline

commit 6c3db5fa185207babe8fe99c1241f04cc5f9a4cd
Author: nishalr <thearchit@hotmail.com>
Date:   Sun Sep 29 14:24:33 2013 +0100

    Squashed commit of bundle_powerline

commit c281cef89c994af528b8f448d34c139e700ec8a0
Author: nishalr <thearchit@hotmail.com>
Date:   Sun Sep 29 14:24:33 2013 +0100

    Squashed commit of bundle_jedi-vim

commit f011ad087452d80d89b665f9f9c7f9efedc0330a
Author: nishalr <thearchit@hotmail.com>
Date:   Sat Sep 14 10:19:42 2013 +0100

    Updated Shell vim template

commit 6a628d6696638183d3613f6cf84b2319c1be7158
Author: nishalr <thearchit@hotmail.com>
Date:   Sat Sep 14 10:19:31 2013 +0100

    Updated AWK vim template

commit dc945cd5b4eae38c78cf497dbeea4ad7ff2baf70
Author: nishalr <thearchit@hotmail.com>
Date:   Mon Sep 9 11:27:13 2013 +0100

    MOTD only when not running under tmux

commit 4a4f604ffe1a511bbfe9e8cb7e2e29fc6256109d
Author: nishalr <thearchit@hotmail.com>
Date:   Tue Aug 20 17:41:11 2013 +0100

    Added the tmux -2 option on Debian's bash profile

commit 544a176260cef1b9405a94e09292cd1403902aa8
Author: nishalr <thearchit@hotmail.com>
Date:   Mon Aug 19 10:38:59 2013 +0100

    Degrade solarised to 88 colours as it seems to work well for Linux and BSD