Merge pull request #126 from sameerak/master

UI changed to handle single execution plan deployment per Email query
remove existing configurations before adding new ones
Merge pull request #127 from sacjaya/master

remove existing configurations before adding new ones
Merge pull request #128 from sameerak/master

resolving build failure
Merge pull request #129 from sameerak/master

thrift port NaN bug fix
removing existing fromatters before adding
Merge pull request #130 from sacjaya/master

removing existing fromatters before adding
Merge pull request #131 from sameerak/master

removing configuration delete functionality from UI
changinf port
Merge pull request #132 from sacjaya/master

changinf port
successful connfig addition results in redirection to query tab
email monitor menu in CEP dashbosrd with its own parent menu