Merge branch 'ticket243' into dev
merge oer plugins reorganisation in
remove requiredness of alt text on images
modify opacity of disabled buttons in the toolbar
override default bootstrap styles for code blocks - make no-wrap with scroll bar
Merge remote-tracking branch 'tom/bugfix/159-button-disabled' into bugfixes-tom
Merge remote-tracking branch 'tom/bugfix/187-nowrap-code-block' into bugfixes-tom
Merge remote-tracking branch 'tom/bugfix/192-image-alt-text' into bugfixes-tom
Merge pull request #15 from wysiwhat/bugfixes-tom

Fixes for bugs