Adding support for creating and deleting affinity groups
Changed the option names to --description and --affinity-group on the storage command. This is the same options as used on other commands in the CLI (vm disk, vm image).
Adding node version selection to the node deployment (batch script).
Addressing issue #204.
Remove redundant echo.
Fix space.
Renamed:
KUDU_SYNC_COMMAND --> KUDU_SYNC_CMD
KUDU_SELECT_NODE_VERSION_COMMAND --> KUDU_SELECT_NODE_VERSION_CMD
NPM_COMMAND --> NPM_CMD

Also fixed issue in bash script where when the KUDU_SYNC_CMD was set it was still overwritten.
Fix exit from function in batch file issue.
Added select node version part to bash script.
Fixed typo issue (missing $).
Added missing error redirect.
Added select node version validation to test.
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev-fix-options
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev-affinity-group-commands
Merge pull request #269 from fkjellberg/dev-fix-options

Changed the option names to --description and --affinity-group
Merge pull request #323 from amitapl/dev

Some fixes for site deploymentscript
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev-affinity-group-commands
Merge pull request #268 from fkjellberg/dev-affinity-group-commands

Adding support for creating and deleting affinity groups