Merge pull request #49 from Firesphere/Development

Development to master
Merge pull request #50 from Firesphere/Development

Development to master 2
Merge pull request #51 from Firesphere/Development

API change in GridFieldBulkEditingTools
Merge pull request #52 from Firesphere/Development

[MINOR] Latest comment updates.
Merge pull request #53 from Firesphere/Development

Cleaned up _config.php some more.
Merge pull request #54 from Firesphere/Development

Small bugs encountered on a bare installation fixed. Issue #40
Merge pull request #55 from Firesphere/Development

Update on issue #40
Merge pull request #56 from Firesphere/Development

Group of adjustments for better usability
Merge pull request #57 from Firesphere/Development

Latest 3.1 upgrades
Merge pull request #63 from Firesphere/Development

Solving issue #61
Merge branch 'release/1.1_3.1'
Merge branch 'release/1.2_3.1'
Readme update
Merge branch 'hotfix/1.2.1_3.1' into Development