Alphabetize HTML.knownElementNames.
Add HTML5 `main` tag to list of known element names.
new package md store
new package md store
Merge remote-tracking branch 'upstream/devel' into packageStore
Hook new catalog store as official catalog
Add local and layered catalog
add test classes just to exercise the refactoring
split up the bootstrap catalog in separate files
hook the remote catalog
add transaction
fix up the behavior of some methods
make sure packageSource are properly initialized
add package cache to layered catalog
move getLatestMainlineVersion
merge devel
changes
changing refresh
reinitialize the resolver!!!!!!!!
Rename {{> UI.*}} to Template; remove UI uses

Rename inclusion macros (with back-compat) to: Template.dynamic, Template.contentBlock, Template.elseBlock.

Update all uses and mentions of UI in the repo, unless they are there for back-compat or testing reasons.

To do: Run unit tests.  Update docs for UI.dynamic.  Document Template.contentBlock and Template.elseBlock.