Implemented panic handling, graceful shutdown and reporting for all goroutines that don't explicitly handle them. (#2153)

* implemented crash reporting for all goroutine panics that aren't handled explicitly

* implemented crash reporting for all goroutine panics that aren't handled explicitly

* changed node defaults back to originals after testing

* implemented panic handling for all goroutines that don't explicitly handle them, outputting the stack trace to a file in crashreports

* handling panics on all goroutines gracefully

* updated missing call

* error assignment

* implemented suggestions

* path.Join added

* implemented Evgeny's suggestions

* changed path.Join to filepath.Join for cross-platform

* added err check

* updated RecoverStackTrace to LogPanic

* updated closures

* removed call of common.Go to some goroutines

* updated scope capture

* removed testing files

* reverted back to original method, I feel like its less intrusive

* update filename for clarity