Save new and edit current internship

Change-Id: I757e019d6c8484beb403578d983cdb31227e38c4
Signed-off-by: Stephan <stegiemail-github@yahoo.de>
Static template for vacation/holiday blocks in internship form

Change-Id: I19f162b5e6abab16029627da9a1490dcc667cef1
Signed-off-by: Stephan <stegiemail-github@yahoo.de>