iterationCscc.cmp double load automation

iterationCscc was loading inner components twice when the inner components  had server side dependencies. Automation to make sure we're rendering inner components the expected number of times.

@bug W-1800364@

@rev rjayaramappa@
Merging origin/tbliss/master-pending-iterationCscc-double-load-test into master
[maven-release-plugin] prepare release aura-framework-0.314
[maven-release-plugin] prepare for next development iteration
Merge branch 'release'
add debug msg ,try to catch more info next time AppCacheResourcesUITest flappers
@bug W-1818497@
@rev gtorres@
Merging origin/lin/master-pending/add-debugInfo-W-1818497 into master
[maven-release-plugin] prepare release aura-framework-0.315
[maven-release-plugin] prepare for next development iteration
Merge branch 'release'
make ReturnsLocalidArrWithGblobalidPassingInComplex check what we really expect
the function is disabled until W-1831607 is resolved.still it's better to make whoever works on the bug should be able to just re-enable the test
and see the test pass when the bug is fixed
@bug W-1819384@
@rev tbliss@
Merging origin/lin/master-pending/xunit-document-deindex-ReturnsLocalidArrWithGblobalidPassingInComplex into master
[maven-release-plugin] prepare release aura-framework-0.316
[maven-release-plugin] prepare for next development iteration
Merge branch 'release'
CSCC copy of iteration unit tests on server-side

Copy over these unit tests for the iterationCscc component. Eventually (soon hopefully) this component will be merged back in with the normal iteration.cmp and we can remove these duplicate tests.

@W-1775498@

@rev rjayaramappa@
Adding checkExceptionContains util method for testing

This method will check that an exception contains a certain text. Currently we only have checks for the full message and the start of the message.

@rev rjayaramappa@
Merging origin/tbliss/master-pending-iterationCscc-unit-tests into master
[maven-release-plugin] prepare release aura-framework-0.317
[maven-release-plugin] prepare for next development iteration