Release prep.

Release date / version bump for v0.5.0 release.

Version bump / prep for 0.4.2 release.

Merge pull request mozilla-services#488 from mozilla-services/fix-rtd…

…-build

Update submodule reference and update sphinx paths to reflect new

Merge pull request mozilla-services#479 from mozilla-services/feature…

…s/misc-dashboard-fixes

Miscellaneous dashboard fixes

Specify 0.3 release date.

Version bump.

Version bump.

Initial release instructions doc.

Tagging v0.2.0b1 for release.