I installed gtk2 and gtksourceview2 but still got dependency error
Im using ubuntu 16.04, help please :D

```
anton@anton-server:~$ nimble install aporia
Downloading https://github.com/nim-lang/Aporia using git
   Warning: File inside package 'aporia' is outside of permitted namespace, should be named 'aporia.nim' but was named 'AboutDialog.nim' instead. This will be an error in the future.
      Hint: Rename this file to 'aporia.nim', move it into a 'aporia/' subdirectory, or prevent its installation by adding `skipFiles = @["AboutDialog.nim"]` to the .nimble file. See https://github.com/nim-lang/nimble#libraries for more info.
  Verifying dependencies for aporia@0.4.1
      Info: Dependency on gtk2@#head already satisfied
  Verifying dependencies for gtk2@#head
      Info: Dependency on cairo@any version already satisfied
  Verifying dependencies for cairo@1.0
      Info: Dependency on dialogs@#head already satisfied
   Warning: File 'winaux.nim' inside package 'dialogs' is outside of the permitted namespace, should be inside a directory named 'dialogs' but is in a directory named 'private' instead. This will be an error in the future.
      Hint: Rename the directory to 'dialogs' or prevent its installation by adding `skipDirs = @["private"]` to the .nimble file.
  Verifying dependencies for dialogs@#head
      Info: Dependency on gtk2@>= 1.0 already satisfied
  Verifying dependencies for gtk2@1.0
      Info: Dependency on cairo@any version already satisfied
  Verifying dependencies for cairo@1.0
       Tip: 12 messages have been suppressed, use --verbose to show them.
     Error: Traceback (most recent call last)
        ... nimble.nim(1068)         nimble
        ... nimble.nim(994)          doAction
        ... nimble.nim(603)          install
        ... nimble.nim(404)          installFromDir
        ... nimble.nim(273)          processDeps
        ... Cannot satisfy the dependency on gtk2 1.0 and gtk2 1.1

```