Remove DS_Store files, update gitignore
Change readme.txt to a markdown file & add the screenshot
Fix readme.md
change alert-error to alert-danger

This is required for v3 but it actually also works in Bootstrap 2 as
alert-error and alert-danger used to do the same thing, now only danger
works
small Moodle style checker warnings

e.g. Capitalized comments, spaces after commas, etc.
Merge pull request #74 from gjb2048/master

Fix theme selection issue, reduce duplication of calls and update maintenance.php to V3.
Merge pull request #75 from nh-99/master

Remove DS_Store files, update gitignore, update readme.md
Merge pull request #77 from ds125v/alert_danger

change alert-error to alert-danger
Merge pull request #78 from ds125v/style_warnings

small Moodle style checker warnings
remove border_radius mixin

The mixin that adds wekbit and moz versions of border-radius
hasn't been needed for a while, hence why it's been removed
from Bootstrap 3
remove ie7-inline mixin

Bootstrap 3 no longer supports ie7, so we can ditch this mixin
remove box-shadow mixin

This mixin is no longer needed for modern browsers
Merge pull request #84 from ds125v/box_shadow

remove box-shadow mixin
Fixed merge ds125v-ie7_inline
merged border_radius fixes
Merged Davids commits
fix for editor icons
Backup-restore forms