Partially fix #2667
Re-add 'on\w*' to evil attributes (rel #2667)
Fix CI_Security::_remove_evil_attributes() being way too aggressive
Previous commit caused side effects ...
Add <math> to 'naughty' HTML elements
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
Fix #2856
Make CI_Session's HMAC comparison time-attack-safe
Typo Fix
Signed-off-by: Vivek Dinesh <vivekdinesh5@gmail.com>
Merge pull request #2857 from vivekdinesh/typo-fix

Typo Fix
Typo Fix

Signed-off-by: Vivek Dinesh <vivekdinesh5@gmail.com>