Add exclude file from scan feature (#253)

* Added exclude file from scan feature

* Abort exclusion instead of panicking when pattern isn't valid

* Added UI configuration for exclude patterns

*   * cosmetic fixes
  * changed behavior of exclude function to continue and ignore invalide regex patterns
  * added some more tests (windows networks and continue after regex error)

graphql/documents/data/config.graphql

@@ -10,6 +10,7 @@ fragment ConfigGeneralData on ConfigGeneralResult {
   logOut
   logLevel
   logAccess
+  excludes
 }
 
 fragment ConfigInterfaceData on ConfigInterfaceResult {
@@ -29,4 +30,4 @@ fragment ConfigData on ConfigResult {
   interface {
     ...ConfigInterfaceData
   }
-}
+}