migrate: Fix old default value of colorCommentScore
migrate: Force a migration for v4.5.0.3

Fixes #1411.
showNotification() defers showing notification until document.body is ready
migrate errors should show stack trace
mark all migrations done on fresh installs
4.5.0.2 didn't set RESOptionsVersion for fresh installs
show notification about voteEnhancementsoptions.colorCommentScore getting reset to default

fixes bad 4.5.0.1 migration
RESOptionsMigrate.general.forceUpdateOption

it'll be necessary sooner or later
don't do any migrations if a previous migration broke the RESOptionsVersion value
colorCommentScore migrator handles default, non-default, and v4.5.0.1 bug
Make restrict_sr checkbox not tick with multireddit's

Changed line 80 and made + an accepted character in the regex. This means that the Restrict Subreddit checkbox will not be ticked when linking directly to a search using multireddit's.

EG: http://www.reddit.com/r/networking+sysadmin/search?q=UDP+joke
mark notification opened
ignore manual close if notification is already closed
utils: Recognize subreddit inboxes; fixes #1461
Donate img links to dataURIs
fix borked gfycat (and maybe other videos) placeholder
Apply filters to /me/f/all
Move vendor files to lib/vendor/
Fix paths to vendor files
browsersupport-safari: Add missing semicolon