SRM 6.5 additions

[benmeadowcroft]

Merge changes supporting SRM 6.5 capabilities into master. These changes include:

• Support for new PowerCLI SRM module introduced in PowerCLI 6.5.1. Earlier versions of PowerCLI will not function with this new module.
• Support for new SRM 6.5 public APIs (create and delete recovery plans, add and remove protection groups to recovery plans, discover devices, etc.)
• Reorganized project. Split script into multiple files, reduced/removed build steps, etc.
• Various style changes (removed alias use, etc.)
• Addressed various issues #3 #11 #13 #14