expose packaging error
fix up the naming
do not use azure tool to retrieve cspack executable path
Merge pull request #3000 from yugangw-msft/cspackerror

Expose CSpack.exe error message correctly
Added code to clear token cache and tests. Need to add help.
Cleaned test
Merge pull request #3004 from stankovski/profiledoctor

Work in progress on Clear-AzureProfile and Repair-AzureProfile cmdlets
Adding help file for Clear-AzureProfile cmdlet