[FIX] v2.ODataModel: fix reset of TwoWay changes

- warning instead exception if invalid keys passed to resetChanges
- resetChanges call without keys array did not work correctly
- deleteCreatedEntry not working if further TwoWay changes happend 

Conflicts:
	src/sap.ui.core/src/sap/ui/model/odata/v2/ODataModel.js

Change-Id: I13fe4605e7cc8959dc785dfcf95922d8ac0b42ee
CR-Id: 012003146900009370562014
BCP: 1482024364
BCP: 1482022901
BCP: 1482022779
[FIX] v2.ODataModel: Wrong entityset path on second submitChanges

- if submit changes of an created entity fails, the data will be edited
again, the next submitChanges this entity has a wrong entitySet url

Change-Id: Ib64c3af50ae9fd78ec855bf91bf0bd6e66e79ead
CR-Id: 012003146900009427632014
BCP: 1482025735
sap.ui.ux3.Shell: Fix Position of MenuButton Indicator in Shell Header
in HCB theme

Change-Id: Iebdca2d1b788f0f64588882f3c41f0d2b1a15240
(cherry picked from commit 42b702920bd05268e84c89d675c6debf40fb4234)
CR-Id: 012003146900009482892014
[FIX] jQuery.sap.includeStyleSheet: prevent tag replacement with same
href

- moved callback checks to the left to prevent unnecessary URI checks
- use full URI to check against the stylesheet's "href" attribute (which
is always the full URI)
- refactored surrounding if/else
- fixed typo in log message

Change-Id: I11352b8b29aafcb295a3a22e44e1417e412c2b0b
(cherry picked from commit 6780921c848e5ba79adbe42cb7520f71dd893aa2)
CR-Id: 012003146900009508362014
Merge "[FIX] v2.ODataModel: fix reset of TwoWay changes" into rel-1.26
Merge "[FIX] v2.ODataModel: Wrong entityset path on second submitChanges" into rel-1.26
Merge "[FIX] jQuery.sap.includeStyleSheet: prevent tag replacement with same href" into rel-1.26