Fix for issue #2236
reverted changes from previous commit
Fixed #2289
Documentation: update reserved names list

Added constants from 50dfe0175df02fe4aa243757bdf1b42fb9fc3169 (exit status codes)
Documentation: another update to reserved names list

Added missing user functions.
Also fixed a typo in common_functions.rst.
Merge pull request #2304 from vlakoff/develop

Documentation: update reserved names list
Fix a typo in changelog.rst

This missing space was broking the link generation.
Merge pull request #2305 from vlakoff/develop

Fix a typo in changelog.rst
Fix #2320
Add a (default) CI_DB_query_builder::_update_batch() method

An improved version of PR #2324, which only targets ODBC.
Output Class Minify Function Change

Added 2 additional MIME types to match against for JavaScript detection.
adding thumb_marker to image_lib->clear()
removing linebreak
Merge pull request #2326 from bayssmekanique/develop

Output Class Minify Function Change
Merge pull request #2328 from samdoidge/develop

adding thumb_marker to image_lib->clear()
Fix MSSQL ALTER TABLE ADD statement

An improved version of PR #2329
Merge branch 'develop' of git://github.com/EllisLab/CodeIgniter into develop
Added array notation for keys in Input library
Making a performance modification to DB_driver list_fields()
Signed-off-by: RJ garcia <rj@bighead.net>
Merge pull request #2350 from ragboyjr/develop

Making a performance modification to DB_driver list_fields()