document: open by URL: allow to paste (resolve) URLs from sites

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2259 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
fixed REST webservice import

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2260 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
asset save: more meaningful exception message

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2261 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
setup process: moved from install controller to service (unit tests)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2262 1f8fe7d8-47f0-464c-8d0a-336f4953ab05