adjust list sequence
tune the rule gain credits for dream, but for actor as before
add + in the home view
Upgrade to Xcode 6 Beta 5

As Apple released, in Xcode 6 beta 5:
"
Optionals no longer conform to the BooleanType (formerly LogicValue) protocol, so they
may no longer be used in place of boolean expressions (they must be explicitly compared with
v != nil).

Reference: http://adcdownload.apple.com//Developer_Tools/xcode_6_beta_5_za4gu6/xcode_6_beta_5__release_notes_.pdf
"