Deployment Loop Test Improvements

File - ICA-DEPLOYMENT-ALL-SIZES-LOOP-TEST.ps1
1. Deployment test was aborting as soon as first deployment / provision failure detected. Now total failed deployments allowed are 5 in order to catch more deployment issues.

File - Azure_ICA_all.xml
1. Added Standard_D1, Standard_D2, Standard_D3, Standard_D4 to Deployment Definitions.
2. Changed deployment loop count from 50 to 100.
3. Added Standard_D1, Standard_D2, Standard_D3, Standard_D4 VM sizes to test in Deployment Loop Test.
Merge pull request #31 from iamshital/master

Deployment Loop Test Improvements