Released 0.5.4

Merge pull request leancloud#74 from killme2008/feature/2015-03-24

Feature/2015 03 24

Merge pull request leancloud#68 from killme2008/master

Release v0.5.0

Fixed module order

Merge pull request leancloud#59 from killme2008/feature/2015.02.26

Feature/2015.02.26

Updated version

Merge pull request leancloud#41 from leancloud/feature/v0.4.6

Feature/v0.4.6

Updated version to 0.4.5

Added comment

Merge pull request leancloud#26 from avoscloud/feature/cloud_query

Added AV.Cloud.doCloudQuery