Merge pull request #31 from fommil/master

hotfix for https://github.com/ensime/ensime-server/issues/562
Added stacktrace buffer -- fix ensime/ensime-server#396
Merge pull request #32 from edani/stacktraces

Add stacktrace buffer
Compile-results-buffer uses g to refresh

It seems to be more typical to emacs to use 'g' to refresh the contents of a buffer - see ibuffer, dired etc.
Move back through complation results with backtab

It's helpful (and consistent with others modes) to be able to move backward through the results of a buffer with backtab, if you can also go forward with tab
Merge pull request #34 from MrBones118/master

Update results of compile-buffer with g, and move backwards through results with backtab
M-. doesn't fall back to type inspector, close https://github.com/ensime/ensime-server/issues/385