Merged alternative hour/min selection feature

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/trunk@857480 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated German translation

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/trunk@858631 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added Blocked Time feature

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/trunk@859034 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added screenshot descriptions

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/trunk@859040 b8457f37-d9ea-0310-8a92-e5e31aec5664