Merge pull request #198 from my-personal-forks/master

Prepare release
add file_regex to support error navigation using F4
Add basic error report for common configuration errors.

Displays a prominent message to the user and collects system
info so that it's easier to report/see what's wrong.
Remove uneeded tests
Merge pull request #200 from zoechi/analyzer_file_regex

add file_regex to support error navigation using F4
Merge pull request #202 from my-personal-forks/health-check

Add basic error report for common configuration errors.