[rightscale] Update rightscale_tools gem to version 1.7.45.
Update version of rightscale cookbook and rake metadata.
Remove old rightscale_tools gem.
[rightscale] Update rightscale_tools gem to version 1.7.45.
Merge pull request #439 from rightscale/servertemplates_14_10_acu181398_use_correct_volume_cleanup_parameters

[rightscale] Update rightscale_tools gem to version 1.7.45.