Added support for user define custom actions

[AndreasArvidsson]

No description provided.

[pokey]

Looks good with some minor comments

[pokey]

Looks good, but could use a couple tests for the new executeCommand, esp exercising a couple args such as restoreSelection

[AndreasArvidsson]

Paste and copy use restore selection so already tested that way. I can add some more if you like?

[pokey]

Paste and copy use restore selection so already tested that way. I can add some more if you like?

Just meant having a couple tests which use executeCommand. If I'm not mistaken, there are no tests for that action, right? Just have tests for actions which use the internal base class CommandAction

[AndreasArvidsson]

I added a test for a custom command. More than that I don't know how to do. We do not support different arguments in custom command csv yet and none of the makeshift actions do anything that our test recorder can use.

I guess I can hand craft a test case?

Edit: I think a solved it. You can use define to actually move selection within the same file. Now we have two test cases one that restore selection and one that don't