0.89

got 0.89

- gotd: return early after disconnect on auth event error instead of crashing
- make 'got patch' display statistics about files with conflicts and rejects
- make 'got diff' not treat \r\n line endings as special
- fix test failures in test_blame_lines_shifted_skip on certain times of day
- show reference labels next to commit messages in tog log view
- some gotwebd refactoring related to handling of file descriptors
- gotwebd: lower log priority of unexpected disconnections
- gotwebd: avoid needless double fseek()
- fix the size of gotwebd's tempfiles array; exposed by errors from ftruncate()
- simplify ancestry checks in checkout, update, rebase, and merge commands
- make gitwrapper not fail if programs it wants to run do not exist on disk
- stop showing backup references in the tog log and diff views
- consistently use ten Xs in mkstemp(3) templates
- only delete empty directories which appear in arguments to 'got rm'
- simplify parsing of host names and IP addresses in gotwebd's parse.y
- make 'got merge' refuse to run if a merge is in progress
- make 'got merge -c' fail even if new changes only affect unrelated paths