upgrade to appcode 3.0.1 which support swift
Upgrade serf to 0.6.2
Merge pull request #5029 from lalyos/serf

Upgrade serf to 0.6.2
Merge pull request #5028 from yangbodotnet/master

upgrade to appcode 3.0.1 which support swift
made transmission easier to update
Merge pull request #5032 from vitorgalvao/correct-transmission

made transmission easier to update
updated safe-in-cloud (latest)
Merge pull request #5034 from vitorgalvao/update-safe-in-cloud

updated safe-in-cloud (latest)
Upgrade Pycharm CE.app to v2.4.1
Merge pull request #5035 from feigaochn/pycharm-ce-3-4-1

Upgrade Pycharm CE.app to v3.4.1