Did you tried this POT ?
Its tags issue not recaptcha. You must add comma after a tag. This issue has been fixed in latest RC version. You can download from our Github repository.
You can add this filter to your theme functions.php https://gist.github.com/rahularyan/71c58990809628abc9df
This has been answered many times. You can change them using WordPress translation.
I haven’t tried but it will be very very easy because of AnsPress JS. AnsPress trigger event after every action and you can easily use that, for eaxmple: https://gist.github.com/rahularyan/2bbaf37a6e62a9368a36
Use ap_after_new_question hook instead of save_post
Yeh I know about it, will be fixed. Thanks for reporting.
I tried the latest commit, but it does look different and not seems to load the content: