Fix the 'posted' view

Now is actually topics that you have posted in - previously, it was all topics you had tracked, starred, posted, read, ....
No clue how that came about.
Add spec for posted list

The test fails on 956b14a and passes on this branch
BUGFIX: Correct after_fork semantics

After fork SiteSettings was not getting a new process id,
causing site settings not to refresh properly in unicorn

This code also centralizes the logic
PERF: use before suite vs before file
BUGFIX: correctly punch through settings to local provider
Stop using global vars where not needed
Simplify local process site setting provider
Stop setting up methods over and over
Centralize cache clearing
BUGFIX: when RTT is short likes may not appear to work
BUGFIX: site settings db provider not triggering updates
  at the correct point
Update onebox gem
Remove confusing/incorrect comments
Make autohighighting for all Code-Blocks a SiteSetting
Merge pull request #2204 from ligthyear/fix-autohighlight

Enable autohighlighting of highlight.js for all code blocks
Add post highlighting to mobile
Delays loading spinner when switching between tabs.
FEATURE: create hyperlinked images from the image insertion dialog
typo

thanks @Naatan
Unescape topic title before setting it as the document title.
FIX: remove likes and other post actions before nuking a user
FIX: Upwards scrolling. Updates ember-cloaking
FEATURE: add redirect_users_to_top_page site setting (default to true)
Merge pull request #2213 from vikhyat/fix-title-lt

Unescape topic title before setting it as the document title
Merge pull request #2211 from velesin/delayed_tab_switch_spinner

Delays loading spinner when switching between tabs.