ant: Support API doc generation
ant: Correct apidoc output directory and remove debugging messages
Search.txt: Correct use of unicode quotes
Merge pull request #751 from rleigh-dundee/ant-props-dev50

ant: Set SOURCE_BRANCH and OMERO_RELEASE using omero.shortversion
Merge remote-tracking branch 'origin/dev_5_0' into ant-apisupport-dev50

Conflicts:
	common/rules.xml
merge dev_5_0 -D org: PR 749 (Adding API doc links to OMERO docs front page)
merge dev_5_0 -D org: PR 753 (ant: Support API doc generation)
merge dev_5_0 -D org: PR 756 (Search.txt: Correct use of unicode quotes)
merge dev_5_0 -D org

Repository: openmicroscopy/ome-documentation
Already up-to-date.

Merged PRs:
  # PR 749 hflynn 'Adding API doc links to OMERO docs front page'
  # PR 753 rleigh-dundee 'ant: Support API doc generation'
  # PR 756 rleigh-dundee 'Search.txt: Correct use of unicode quotes'

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