Typo fixed

Wasn’t pulling in select2.css. Oops.
Merge branch 'css-fixes' of https://github.com/DigitalCurationCentre/DMPonline_v4 into css-fixes
CSS fixes and sign up alert text

CSS - fix the background colour of the website as well as the logos in
the footer
Text - change the alert text  when a user tries to sign in with
institutional credentials.
css fix fro tables layout
Split out project list head and body into partials
Update README.rdoc
Update README.rdoc
Merge pull request #91 from DigitalCurationCentre/css-fixes

Css fixes and change alert text on sign up page
Add configure button for choosing columns to include in 'My plans' list
Use helpers to generate 'My plans' headings and content - another step on the way to making the columns user-configurable
Initial attempt at adding the column chooser.
Choose a more descriptive and non-conflicting name for the checkbox html options
Move configure button out of table head so it doesn't conflict with tablesorter
Move configure buttons to the left to match button position on other table
Allow users to select columns shown in 'My plans'.

This stores the desired columns in the session for now, which
is not desirable.

There is also a rudimentary user settings setup, which may be
duplicated effort and so may need to be removed.
Use rails-settings to store plan-list column settings
Disallow unknown columns
First attempt at configuring columns with JS
Make config cog orange
Allow default settings to be resolved