FIX GridFieldExportButton exporting only Paginated list when using ArrayList as source
Merge pull request #3567 from stephenmcm/gridfieldexportbutton-patch

FIX GridFieldExportButton exporting only Paginated list when using ArrayList as source
FIX: Image resizing breaks when one of the resized image dimensions is between 0 and 1.
Solution: Round up to 1 instead of down to 0.
Converted php errors to exceptions in the process.
Correct regression around ?flush

?flush used to work. There's no reason why it shouldn't.
Merge pull request #3593 from simonwelsh/patch-1

Correct regression around ?flush
Merge pull request #3591 from jedateach/issues/image-resize-fix

FIX: Image resizing breaks when one of the resized image dimensions is between 0 and 1
Update Requirements.php

Makes requirements inclusion work with old PCRE versions
Merge pull request #3594 from jdemeschew/patch-1

Makes requirements inclusion work with old PCRE versions.
Bugfix NumericField shows (none) for 0 on readonly
Merge pull request #3553 from nhorstmeier/NumericReadonlyField

Bugfix NumericField shows (none) for 0 on readonly
Added loading and disabled user feedback on batch actions button for cms issue 441

Added batchactions go button states to include user feedback for cms issue 411

added BatchActions state for Safari and Firfox ui-state-active
alternate fix for Issue441 to replace GO value with loading icon