epadmin added method to migrate single field to multilang - useful for existing data/repository
added possibility to have /site_lib/cgi - the order of exec is 1. local cgi, 2. site_lib cgi, 3. global cgi
Fixes #148

Return contents of <component> rather than the <component> itself.
Removed unused variable $f.
Merge pull request #156 from jesusbagpuss/patch-4

Fixes #148
Merge pull request #157 from jesusbagpuss/patch-5

Removed unused variable $f.
Merge branch 'master' of https://github.com/eprints/eprints into auto_minifiers