Redrawing intelligence slider on ios.
Support navigating back to home page from action bar in Preferences
Merge pull request #420 from manderson23/master

Android: Support navigating back to home page from action bar in Preferences
Speeding up scrolling on feed list.
Adding Swift Reader to Goodies.
Merge branch 'master' into ios7

* master:
  Adding Swift Reader to Goodies.
  Support navigating back to home page from action bar in Preferences
Merge branch 'ios7' into bgfetch

* ios7:
  Adding Swift Reader to Goodies.
  Speeding up scrolling on feed list.
  Support navigating back to home page from action bar in Preferences
  Redrawing intelligence slider on ios.
Optimizing the user label font.