Add subscript and superscript commands
Update changelog for 0.1.5
Document browser inconsistencies from adding subscript and superscript
commands
Run the tests on Firefox 28
Add dev example

[ci skip]
Cleanup code
Exclude buttons with vendor class
Add test for vendor buttons in toolbar
Switch from class to attribute for vendor buttons
Fix test for toolbar plugin
Remove custom insertHTML command, cleanup to be done in formatter
Drop empty-when-deleting patch, to be replace with formatter
Upgrade Mocha, deprecate Mocha as Promised
WIP enforce p elements
Simplify instructions

[ci skip]
Run the tests on Chrome 33
Tidy up docs

[ci skip]
Move things in their right place
Merge branch 'master' of github.com:guardian/scribe into sc-ff-backspace-multi-para
Revert "Simplify instructions"

This reverts commit d30d66d315c2896437dd553a5563fb0b14ff412d.