Fix for issue #2236
reverted changes from previous commit
Fixed #2289
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()
Removed entry for erroneous bugfix
Fixed error in Form Helper textarea function

Function had declaration of unused $name variable which caused errors.
Removed $recurse parameter in lieu of auto parsing. Changed "provision" entry.
Revert "Fixed error in Form Helper textarea function"

This reverts commit e15d1be514dad1df7a3c38d6265566692ecf1260.
Fixed error in form_textarea helper function

Reverted from GitHub edited version to remove document line end
character.  Good to merge now.
Changed "else if" to "elseif"
Merge pull request #2352 from bayssmekanique/develop

Fixed error in Form Helper textarea function
Simplified notation parsing and other cosmetic fixes
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Merge pull request #2361 from thefuzzy0ne/fix/userguide

There are 21 preferences, not 17
Code fixes in line with suggestions
Code style fix
Merge pull request #2348 from nisheeth-barthwal/feature/nested_keys

Added Parsing Capabilities to Input class for nested array keys