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
mark notification opened
ignore manual close if notification is already closed
utils: Recognize subreddit inboxes; fixes #1461
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
auto focus the search field when the console is opened.
fix subreddit style toggle showing up on homepage

this is accomplished by also listening for 'load' event on window, and triggering an afterLoad function (now available in all modules in case DOMContentLoaded is too early for anything else).