fixing crash on Mac build

Ignore-this: b6339b22ec010213674f2f4014a5a23

darcs-hash:20141106232040-c21fe-c99abc676dc36524f79e1dd5c5d5ab1901be8ecf
added ability to collapse an app in the conversation using a new button on left

Ignore-this: a4ee74ff3c841961659ee3cdfca2e244

darcs-hash:20141107202108-c21fe-728a103adf69414bda6ef0575c95d1aa8e835e68
if app is minimized and there is an alert, the title turns red

Ignore-this: e806788463239854ed6f12bc3257e831

darcs-hash:20141107202348-c21fe-034f051bc085c04afa6d8f633202b0832921cd1b
rounded buttons

Ignore-this: 3a8f0fb6d21a197db7778b2a88fb4582

darcs-hash:20141107202451-c21fe-6e055ff1a17b4307aa6be9e8c013a642c31a8700
fixed bug in minimize where it would scroll to bottom

Ignore-this: 682599c29fdbe0510f208ec8977d0bb

darcs-hash:20141107202516-c21fe-2df58334220e39fa235c87b3e25aaff816a9f70a
changed timestamp in chat to be just local time hour,min,sec

Ignore-this: 50cccf986324f3d50ba13cee6c2fb899

darcs-hash:20141107203959-c21fe-9430c6e107aabaa83475989367c29e0aac512d05
fixing windows crash

Ignore-this: 6a981d2bd4ca60efa8d7e8dec03fcec4

MSVC strftime did not support "%r"

darcs-hash:20141107231041-c21fe-eca666683306976f056644b93832ea27f5e642dd