Add core/request module

Makes XHRs easier by wrapping a composable, promise based API
Copy script tag contents when adding to document

Inline scripts were not being added to the document correctly, all their
content were missing.
Add v0.14.11 release notes
0.14.11
Slice key matches array

To prevent keys registered or unregistered during dispatch from breaking
the dispatching.
Merge pull request #1474 from Stuk/key-manager-slice

Slice key matches array
Merge pull request #1464
Merge pull request #1464

Provide an HTTP request module.
Allow null values in AbstractNumberField
Fix component dispose()

unregisterEventHandlerForElement() call was passing the wrong parameters.
Also guard against calling it with null because it will throw an error.
Call dispose function instead of detachFromParentComponent
Do not allow an element to be assigned to multiple components
TranslateComposer can be disabled to make it stop claiming pointers and preventing default.
Merge pull request #1478 from aadsm/fix-abstract-number-field

Allow null values in AbstractNumberField
Merge pull request #1479 from aadsm/warn-element-multiple-component

Warn element multiple component
Fix the 1x1 blank data url image used

Some issues were reported by @pmarcou when using the smaller version of
the 1x1 data url. This version works better across different browsers.
More information about this here: http://stackoverflow.com/questions/6018611/smallest-data-uri-image-possible-for-a-transparent-image
Allow number field to receive objects without valueOf

This can happen when the object doesn’t have a prototype.
Make _units a constructor property
Change to not go through the deprecated code path because of the call on the Type itself that changed from an object to a function
updated code in Localizer to not rely on backward compatibility, and added object pooling to minimize garbage collection of objects used inside event-manager listener registration. Full tests passed with no regression