Expand note to higlight write-once nature of dropbox
Fixes following review.
Make it explicit
Expand setup.py test/py.test options description

- Use sphinx option markup for clarity/cross-referencing
- Put -h/--help at the top of the option list
- Add description for --markers option of setup.py test
- Add description for --repeat option of py.test
Unify option description
sysadmin: Make 9.2+ the recommended PostgreSQL version
sysadmin: Update the windows PostgreSQL docs
sysadmin: Update recommended PostgreSQL version to 9.2 in installation notes
sysadmin: Refer to trac floating point ticket #12466
Slightly expanded re-indexing intro
New CLI reindex commands
Clarify *when* to re-index
Migrate troubleshooting text to search.txt
Add note about fewer results during indexing
Fix indent in bullets
Clarify that FileAnnotations are not under 'annotation:'
Replace broken links with TODOs
Suggested improvements from Petr
More improvements of why corruption can occur
Handle double hyphen with mem