Doc: ui:popup and output cmp updates
Merge branch 'docPopup'
Removing the setting of the type attribute since we are hard coding it.
@rev abakhtiari@
@bug W-2335744@
Merging origin/mike/master-pending-modificationToInputRangeAtrib into master
[maven-release-plugin] prepare release aura-framework-0.1438
[maven-release-plugin] prepare for next development iteration
Make the filter cache bigger (and independent)

@rev fabbott@
Merging origin/goliver/master-pending-bigger-cache into master
[maven-release-plugin] prepare release aura-framework-0.1439
[maven-release-plugin] prepare for next development iteration
Make getStorageKey available in prod. It's invaluable now that setAbortable takes a key.
Merging origin/jgoodman/master-pending-getStorageKey into master
[maven-release-plugin] prepare release aura-framework-0.1440
[maven-release-plugin] prepare for next development iteration
Allow nullables in serialization.

@bug W-2367465@

@rev fabbott@
Merging origin/goliver/master-pending-nulls-in-json into master
[maven-release-plugin] prepare release aura-framework-0.1441
[maven-release-plugin] prepare for next development iteration
IterationProvider invalid type automation

@bug W-2363409@
@rev goliver@
@rev gtorres@
Merging origin/tbliss/master-pending-iteration-provider-bad-input-tests into master