Merge pull request #114 from guangyang/dev

Dev
fix a blob API header
Merge pull request #115 from guangyang/dev

fix a blob API header
Merge pull request #117 from MSOpenTech/sql_rdfe_add_role_cloud_services

Ruby SDK Enhancements PR
Merge branch 'master' of github.com:WindowsAzure/azure-sdk-for-ruby into dev
Merge pull request #118 from guangyang/dev

merge from master to dev
Merge pull request #119 from MSOpenTech/sql_rdfe_add_role_cloud_services

Bug fix related to add role api.
Merge pull request #121 from MSOpenTech/sql_rdfe_add_role_cloud_services

Added availability set to virtual machine and fixed HTTP 307 Redirection error.
disable integration tests in travis
Merge pull request #122 from guangyang/dev

disable integration tests in travis