Merge pull request #2494 from yugangw-msft/accesskeyformat

Add a service name field to the cache key access object
Merge pull request #2474 from dud5/Add-ATM

Add Traffic Manager cmdlets
Merge pull request #2474 from dud5/Add-ATM

Add Traffic Manager cmdlets
Merge pull request #2480 from juneb/juneb-140502-02

Adding unedited help for TrafficManager cmdlets
Merge pull request #2480 from juneb/juneb-140502-02

Adding unedited help for TrafficManager cmdlets
address parnter team feedback
address parnter team feedback
Update Get-AzureVMImage help
Update Get-AzureVMImage help
update help document
update help document
Merge branch 'dev' into cachehelp
Merge branch 'dev' into cachehelp
update help document for commands and managed cache
update help document for commands and managed cache
Merge pull request #2495 from yugangw-msft/cachefeedback

Add feedback from cache service team
Merge pull request #2495 from yugangw-msft/cachefeedback

Add feedback from cache service team
Merge branch 'release-0.8.1' of github.com:WindowsAzure/azure-sdk-tools into release-0.8.1
Merge branch 'release-0.8.1' of github.com:WindowsAzure/azure-sdk-tools into release-0.8.1
update changelog for 0.8.1