enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@

tweaks for: enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@

more tweaks for: enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@

Readd extends to enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@

More extensions to enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@

tests added to enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@
maven tweeks - enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@
pom merge correction - enum-generator plugin for aura.  Scans component/applicaiton/event/interface bundles for names and attributes.  generates java source for representative enums.
@rev goliver@
@bug W-2163336@
add compound like description for component attributes /ATTRIBUTE
Have AuraId return null for attribute DefDescriptors

For attributes this was throwing a NPE trying to get the DefDescriptor. Return null now instead.

@bug W-2163336@
@rev byao@
Merging origin/tbliss/master-pending-generate-enums into master