Merge pull request #4 from oetiker/master

sync with latest update
Added html area widget.
Initial changes in new contribution catalogue.
Merge pull request #5 from stefanand/master

Initial changes in new contribution catalog.
add checksum
Creating v1.0 release of Dialog contrib
Creating v1.0 release of Dialog contrib
Create Manifest.json
merging conflicts
Merge pull request #7 from cboulanger/master

Adding Dialog 1.0 and TokenField 0.5
add checksums
Renaming 'trunk' to '0.1' since it is an old version
Renaming 'trunk' to '0.1' since it is an old version
Removing comments from Manifest file, illegal per JSON spec
Merge pull request #8 from cboulanger/master

Update TokenField contribution Manifest
add trunk version again in order to not break apps depending on it
add link to contrib catalog website
moved obsolete Simulator contrib into legacy dir
updated the manifest
updated the manifest for Aristo