Fix issue #22

Create Themes (no, weak, strong, very strong security indicator)
refactor of send/readMailController

enzevalos_iphone.xcworkspace/xcshareddata/enzevalos_iphone.xcscmblueprint

@@ -7,7 +7,7 @@
     "D2C7EA0F1A440C91BD6EBA17F1863FAC9BB7F993" : 9223372036854775807,
     "08634A2A40CAF434DAE2F242AB5514BB7A368848" : 9223372036854775807
   },
-  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "DE7611D5-24FD-441E-921D-FDD6398BCA13",
+  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "3464025C-9E0A-40A8-BC2B-AE2D2883FC2B",
   "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
     "D2C7EA0F1A440C91BD6EBA17F1863FAC9BB7F993" : "workspace\/",
     "08634A2A40CAF434DAE2F242AB5514BB7A368848" : "enzevalos_iphone\/"
@@ -22,7 +22,7 @@
       "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "08634A2A40CAF434DAE2F242AB5514BB7A368848"
     },
     {
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "gitlab:enzevalos\/enzevalos_iphone_workspace.git",
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "git.imp.fu-berlin.de:enzevalos\/enzevalos_iphone_workspace.git",
       "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
       "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "D2C7EA0F1A440C91BD6EBA17F1863FAC9BB7F993"
     }