Merge pull request #1878 from creesch/patch-1

qm: add a bit of padding, fix alignment.
Merge pull request #1879 from creesch/patch-1

Cleanup previous css.
remove quickmessage default subject

fixes #1874
also add RESUtils.bodyClasses to body, not just html

hope this doesn't completely kill @honestbleeps' efficiency win from 2f8c80b4c3459
v4.5.3
identifying info for console log messages on errors.
gear linking to quickMessage settings
Merge pull request #1880 from erikdesjardins/qm-settings

gear linking to quickMessage settings
missed chrome manifest somehow?
add identifying console log info