Fix Versioned::augmentSQL() when the data query was null.
formHtmlContent() uses missing FormEncType() call

it needs to call $this->getEncType() instead..
FIX UploadField validation error and styles

UploadField now return the validator's error message instead of 403. Plus nicer layout for error messages.
Allow GridFields without titles to be found.
Update install.php5

Defaulting to MySQL here is really dumb. There is an explicit type as an argument so falling back to mysql could result in "I couldn't write to path ....db" despite the real error that the include of the sqlite3/code/SQLiteDatabaseConfigurationHelper.php failed for some reason.

Other uses of getDatabaseConfigurationHelper also need a similar error handler.
FIX Overriding of theme templates in project folder

Fixes issue of templates not being found when a Page's main/Layout templates are split between the project and theme folders. Adds more expansive testing for template loading.
BUG Ensure TreeMultiSelectField doesn't populate menus with "unchanged".
TreeMultiSelectField's default for its value property is 'unchanged'
which causes menus to not load and generates console errors. Fixes #2795
BUG: #2503 Fixes performReadonlyTransformation for OptionSetField

NEW: Adding unit test for performReadonlyTransformation #nd fixing OptionSetField #2503

BUG: Fixing undefined variables and function parameters for PerformReadonlyTransformation unit tests

NEW: Adding unit test to OptionsetField for read only fields
Removed use of assertCount() from this test as it causes infinite loops on Travis.
Merge pull request #2847 from sminnee/fix-travis-infinite-loop

Fix travis-specific infinite loop in 3.0
FIX: Rewrite Member getCMSFields to ensure updateCMSFields is only run once (fixes #2827)

Fix usage of  inside closure

Can't use self:: in closure either

Basic unit tests to check extensions are applied correctly
FIX Requirement documentation of MySQL driver

Currently the documentation states that the `mysql` module for PHP is required, however as of #84 (over 2 years ago) this is no longer the case and the required module is now `mysqli`.
Added 3.0.9-rc1 changelog
Removed SS-2014-002 from changelog, not backported to 3.0
Added changelog links
Better visibility of key phrasing
FIX: IE8 support in jquery.ondemand.js (fixes #2872)
Merge pull request #2873 from kinglozzer/2872-ie8-jquery-ondemand

FIX: IE8 support in jquery.ondemand.js (fixes #2872)
FIX: Ensure valid CSS classes for GridField header (fixes #2361)
Combine form validation topic with forms topic

- Proofread entire file (forms & form validation topics)
- Re-wrap paragraphs to 80 columns
- Correct/update links from other doc files