Update jQuery form plugin to v3.45.0

Fix #868
Fix #1729
Restore IE workaround 

https://github.com/sonata-project/SonataAdminBundle/pull/1797#issuecomment-28623826
Merge pull request #1797 from Maks3w/patch-3

Update jQuery form plugin to v3.45.0
Added tests for Admin methods: getRoot, getRootCode, setPersistFilters, getExportFields
Merge pull request #1804 from pulzarraider/admin_test2

Added tests for Admin methods: getRoot, getRootCode, setPersistFilters, getExportFields
Added test for historyViewRevisionAction
Merge pull request #1807 from pulzarraider/controller_history_view_test

Added test for historyViewRevisionAction
Added tests for batchAction In CRUDController
Merge pull request #1810 from pulzarraider/crud_test2

Added tests for batchAction In CRUDController
SonataAdminBundle translation to Lithuanian language
Merge pull request #1811 from drawgas/master

SonataAdminBundle translation to Lithuanian language
Minor CS fix in CRUDController
Merge pull request #1812 from pulzarraider/crud_cs_fix

Minor CS fix in CRUDController
Add a Bitdeli badge to README
Merge pull request #1813 from bitdeli-chef/master

Add a Bitdeli Badge to README
Optimize Admin loading
Merge branch 'sonata/master'