[ostree] (70 commits) ...Release 2016.5

[Colin Walters <walters src gnome org>]

Summary of changes:

  9c19570... Add a stub .travis.yml
  309fe44... Merge pull request #220 from cgwalters/travis-stub
  f84c198... tests: Add a test-abi
  ed1e0c6... pull: Add OSTREE_REPO_PULL_FLAGS_UNTRUSTED flag
  456f515... Add --untrusted option to pull and pull-local
  b7a04d5... OstreeSePolicy: add ostree_sepolicy_get_csum()
  3124098... core: Add verbose messages for pruning
  750e2cb... core: Add debug messages for traversing
  e9c58fe... build: Set G_LOG_DOMAIN to OSTree
  b1e1e51... main: Set log handler for OSTree domain
  45a6c10... packaging: fix bashism in dist-snapshot target
  a50df5d... docs: Add a section on repository management
  c6b4ecd... commit: Support generating commits with no parent, or a cus
  23d26d5... commit: Support writing orphans
  9260d3d... commit: support editor for orphan commits
  39777de... docs/CONTRIBUTING.md: Update for github move, Homu etc.
  c276025... test-xattrs: use TAP syntax to skip test
  3e3755c... various tests: skip if temp directory lacks xattr support
  f8bef79... Symlink libreaddir-rand.so into tests directory
  47fd5c7... tap-test: clean up temporary test directories as intended
  b25ddd2... In tests that use gpg, terminate the gpg-agent after testin
  2b9032f... .gitignore: update
  07aa8e1... Load g-i bindings from builddir during build-time testing
  1dd8551... tests/admin-test.sh: this is a bash script, not a POSIX sh 
  d458399... Force libreaddir-rand to be a shared library
  e1ce859... Skip tests that run rofiles-fuse if /dev/fuse or /etc/mtab 
  7835fcd... test-pull-untrusted.sh: always corrupt a regular file, not 
  8cda8b6... basic-test: commit with a non-empty subject
  9dafc82... Probe for GNU parallel more accurately
  bdf24cd... tests: Make failing to kill the GPG agent non-fatal
  efb86ba... libtest.sh: use G_TEST_SRCDIR, G_TEST_BUILDDIR to find reso
  839628b... test-abi: use G_TEST_SRCDIR, G_TEST_BUILDDIR
  9c4babf... test-xattrs: sync how this is skipped with test-rofiles-fus
  18e9169... libtest.sh: only check whether $(pwd) is empty once
  826c214... manual: Fix a bunch of typos and docbookisms
  4e81548... Introducing ostree-grub-generator
  eabb4e3... pull: Don't try to cache summaries for pull-local
  87298c8... Fix local-pull test
  ace0d46... pull-local: Support --gpg-verify and --gpg-verify-summary
  e9640ca... build: Find grub2-mkconfig a bit more automagically
  4b1ac83... build: Make tests/libreaddir-rand.so rule use AM_V_GEN
  039d3f1... tests: add libostreetest.h to EXTRA_DIST
  7763c45... tests: add missing ${CMD_PREFIX} before ostree
  6a091c9... contrib: indent golang code using only tabs instead of both
  3152516... Remove empty new lines at the EOF
  e81aabb... docs: Prefer the form "cannot" to "can not"
  984bf91... Use git.mk
  91734a8... Support pathnames for --subpath=...
  3738259... Export ostree_repo_get_remote_option* functions
  d7181f2... Inherit remotes and remote options from parent repo
  6aa447a... Add test case for inheriting remote options
  8ff9a48... cfg.mk: ignore syntax-check for git.mk
  ddda8e5... Add support for ostree static-delta delete
  41661e4... small cleanups
  e62beae... Fix the symbol versions for ostree_repo_get_remote_*option
  b69fd11... ostree-repo-pull: always initialize flags_i
  594162f... pull: More consistently use remote_repo_local for local rep
  581a643... build: Move grub2-15_ostree back to pkglibexecdir
  80c68ba... Fix AS_HELP_STRING for builtin grub2 mkconfig
  6a57d0a... fetcher: Initialize output_stream_set_lock mutex
  77ea287... commit: Fix crash if dfd_iter is NULL
  b787fce... Add cache_dir_fd to OstreeRepo
  9e7e594... Add OstreeRepo option for an out-of-band cache dir
  d9a3349... man: Elaborate on per-remote GPG
  c86e4f0... Add remotes-config-dir to OstreeRepo
  7ac8b04... Look for $remotename.trustedkeys.gpg in remotes.d dir
  f3796a4... refs: Add g_prefix_error around opendir for easier debuggin
  a08b776... static-delta: Put temp files in /var/tmp
  b4b2690... static-delta: Initialize read_source_fd to -1
  bfa23bd... Release 2016.5