Merge pull request #9 from trawor/master

release v1.4.4
Release android 1.4.4
Merge branch 'master' of github.com:avos/avoscloud-sdk
update change log.
Merge branch 'master' of github.com:avos/avoscloud-sdk
Update sdk for samples
Merge branch 'master' of github.com:avos/avoscloud-sdk
Update 1.4.4 android sdk
Update demo sdk jar
sdk version #{branch}
[JENKINS] sdk version v2.0.0
Delete old versions and added migrate.rb
update change log.
Merge branch 'master' of github.com:avos/avoscloud-sdk
Update changelog
Merge branch 'master' of github.com:avos/avoscloud-sdk
[JENKINS] sdk version v2.0.0
Modified android changelog
Merge branch 'master' of github.com:avos/avoscloud-sdk
[JENKINS] sdk version v2.0.1