some bugfixes concerning hardlinks & sites

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1877 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
hardlinks: fixed problem with properties -> navigation name etc.

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1878 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
hardlinks: fixed problem in PimcoreNavigation

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1879 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
hardlinks & sites: only send the rel canonical header if the source document is in the current site

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1880 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
add constants to Pimcore_Date (for mysql)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1881 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
moved getByKeyLocalized and getByKey to abstract so it can also be used for admin translations

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1882 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
hardlinks & sites: this is for the case that a link points to a document outside of the current site, in this case we look for a hardlink in the current site which points to the current document

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1883 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
extension manager: Added plugin parameter "pluginXmlEditorFile" which allows the user to specify the path to a xml file which is then opened in a fileExplorer editor.

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1884 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
Document_Tag_Video: added support for id-detection of url like http://www.youtube.com/embed/youtubeId

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1885 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
image thumbnails: allow TIFF to be used as target format "source"

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1886 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
hardlinks & sites: this is a fix for 1883 -> query for hardlinks is now site specific

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1887 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
PIMCORE-1671 - show forbidden field names upon error

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1888 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
sites + pretty urls + routes: nearestDocumentByPath now checks for a pretty url in a site too

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1889 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
PIMCORE-1672 - Changing a property, using "Only saving new version", closing and reopening, preview will show old property.

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1890 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
PIMCORE-1700 - Keys in Admin Translations are inserted in lowercase

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1891 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
sites & hardlinks: cleaned up modifications in rev. 1883 -> moved SQL into document service resource

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1892 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
sites & hardlinks: cleaned up modifications in rev. 1883 -> moved SQL into document service resource

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1893 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
 standardized assignement of the tabbar

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1894 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
removed colorspace setting from thumbnails -> still possible in the thumbnail processor

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1895 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
version ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@1896 1f8fe7d8-47f0-464c-8d0a-336f4953ab05