Directory auto-complete.
Use more inclusive copyright header
CONTRIBUTORS is now AUTHORS
Initial 'v' in versions should not be compared on (fixes #980)
Support build.go -no-upgrade install (fixes #975)
Also -no-upgrade with any command
Merge pull request #968 from pluby/directory-auto

Directory auto-complete.
Asset rebuild
Missing English strings
Clarify code style guidelines
Translation update
Update goleveldb
Remove redundant style section
Finalize s/CONTRIBUTORS/AUTHORS/
Clean up global discovery timer handing
Correct file mode bits
Add directory separator to autocomplete. Fixes #984
Merge pull request #990 from bigbear2nd/master

Add directory separator to autocomplete. Fixes #984
Add integration test (disabled) for file->dir and dir->file replacement (ref #580)
Code smell