CONN-285 Direct readme introduction
Merge pull request #454 from matthewtiller/4.0_integration

CONN-285 Direct readme introduction
CONN-328:Review and update ReadMe.md toplevel
Merge pull request #456 from alameluchidambaram/CONN-328

CONN-328:Review and update ReadMe.md toplevel
Merge pull request #457 from msweaver/4.0_integration

Fix for WAS/WASCE deployment failures with RC3.