last minute link fixes; remove support links
fix broken links in case_study
more last-minute fixes
Merge branch 'release/2.5.0' of github.com:caskdata/cdap into release/2.5.0
broken link in api page
Merge branch 'release/2.5.0' of github.com:caskdata/cdap into release/2.5.0
fixed broken links in api page
Restore build script broken in Wednesday's bad commit.
Merge remote-tracking branch 'origin/release/2.5.0' into develop

Conflicts:
	cdap-docs/developer-guide/source/_examples/first-app.rst
	cdap-docs/developer-guide/source/tools.rst