Profile Migration Utility

[JTonda]

Allow existing profiles to be migrated from a previous version of Zowe CLI where keytar was used. Includes the migration of profiles from .brightside to .zowe.

Package script as part of the package. Update documentation.
Provide alternative instructions to facilitate profile migration.
Provide package to facilitate migration.
Script to remove credentials from secure store.
5 point story

• Design
  Status: Completed
  Assigned: @PeteSwauger
• Create package
  Status: Completed
  Assigned: @PeteSwauger
• Test program on Windows
  Status: Completed
  Assigned: @PeteSwauger
• Test program on Linux
  Status: Completed
  Assigned: @PeteSwauger
• Create script to remove secure credentials on Windows
  Status: Completed
  Assigned: @PeteSwauger
• Create README to document package and script
  Status: In Progress
  Assigned: @PeteSwauger

Pulled from sprint 2 to 3