Fix #2844
Fix #2845
[ci skip] Fix /readme.rst links
[ci skip] Fix broken links
Some fail-safe pdo_pgsql adjustments
Fix a syntax error from last commit
Previous 2 commits were just dumb
Add index.html to /application/language
Merge pull request #2852 from noskov/develop

Add index.html to /application/language
[ci skip] Update info on function_usable