Merge branch 'jk/compat-timegm' into pu

* branch jk/compat-timegm:
  compat/timegm: new compat function for systems lacking timegm()

Submitted to cgit@hjemli.net but not applied.

Need to see if there is an alternative to introducing a compat function.
Doing the back and forth in the local timezone is mostly good enough,
but doesn't handle DST correctly.
Merge branch 'log-follow-files' into pu

* branch log-follow-files:
  log: allow users to follow a file
  shared: make cgit_diff_tree_cb public

Submitted to cgit@hjemli.net.
Merge branch 'update-git' into pu

* branch update-git:
  git: update to 1.8.3-rc3

First two patches submitted.  Last patch is a WIP waiting on the final
Git v1.8.3 release.
Merge branch 'fix-parallel-make-test' into pu

* branch fix-parallel-make-test:
  Makefile: fix parallel "make test"
Merge branch 'scan-exclude' into pu

* branch scan-exclude:
  Add scan-exclude option to filter out repositories
Merge branch 'span-around-decorations' into pu

* branch span-around-decorations:
  ui-log: add <span/> around commit decorations
Merge branch 'test-improvements' into pu

* branch test-improvements:
  WIP
  t0107: extract HTTP body more robustly