Made URL an optional parameter
use new airbrake API URL
Optionally unarchive a file already on the remote machine
properly convert arg into boolean
If there is no tmp_src, don't modify the args
Update docs for rax_facts to include parameters added for other OpenStack clouds
Tell user to make inventory plugin executable

The current version mentions nothing about chmod +x'ing the rax.py file, which means you get a really weird error message when you try to follow it:

```
raise ValueError, "No closing quotation"
```

... from deep inside shlex.py. I'm sure that makes sense if you realized that meant that it was trying to parse `rax.py` as an ini file...
Add some notes on installing on FreeBSD

Could perhaps be expanded with more prose, but this will do for a start.
Fix typos in ISSUE_TEMPLATE.md
Open LOG_LOCK file with FD_CLOEXEC to prevent file descriptor leakage

Fixes #5399
Merge pull request #5946 from bob-smith/patch-1

Fix typos in ISSUE_TEMPLATE.md
Don't set a default disk_config. Defaulting to 'auto', causes issues with new images
Fix various typos in markdown documentation
Merge pull request #5948 from bob-smith/spelling_and_typos

Fix various typos in markdown documentation
Refactor the synchronize action plugin and add unit tests
Re-add synchronize unit tests
Merge pull request #5945 from swills/patch-1

Add some notes on installing on FreeBSD
Update bug reporting instructions to refer to the issue template
Minor grammar fix in manpages
Fix documentation url