Specififed version should be saved in manifest as string

Signed-off-by: Kris Hicks <khicks@pivotallabs.com>
Fix latest version when running bosh status

Since custom version was introduced the latest version in index file is not
necessarily is going to be the highest version.

[#72376106]

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Cleanup should delete using versions in format supplied by director

- Fixed bug where currently deployed version would beattempted to be deleted if it was not one of the latest two.
- Added check for in use

[#72376106]

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Support dev releases created with new CLI with old director

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Deploying latest release uses the version returned by director

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>