May your badge be forever green

Adds GoCI badge.

[skip ci]
Run tests in random temp directories. Fixes issue #57.
Merge pull request #60 from gophertown/badge

May your badge be forever green
Vagrant file for Linux 32-bit, ref #59

* git ignore .vagrant
* fixup example test to use the github path (otherwise need to install as a test dependency)
provisioning freebsd with the help of @petecheslock
Update package path in example code.
Merge pull request #63 from paulhammond/update-example-test

Update package path in example code.
Contributing & Testing

some guidance
Merge branch 'master' of github.com:howeyc/fsnotify

Conflicts:
	example_test.go
Added a note about 'no space left on device' error, issue #68 involving OS configuration
Update readme to specify BSD / OSX limits.
Add the test from Issue #71 and fix it.

The issue was that files watched internally were not being removed
when the parent directory's watch was removed.
Fixes issue #70

Not exactly the best fix, but it'll do.