Invoke sed with correct args based on platform.
Adding my line to GitIntro
[Reviewed by @mppf]
Refactoring the HDFS plugin to conform with Michael's QIO commit. This also adds
refcounting to the HDFS handle, and fixes a bug where we could try to close the same
file more than once (fixed by turning off QIO_HINT_OWNED after closing the file).
updating with chapel-lang
Merge pull request #7 from tzakian/hdfs-refactor

[Reviewed by @mppf]
Add Lydia adlibs to GitIntro test.
Merge pull request #9 from lydia-duncan/add-lydia-to-git-exercise

Add Lydia adlibs to GitIntro test.

Well that was easy enough.
Merge pull request #8 from benharsh/git-intro

Adding my line to GitIntro
Support sed call on non-Darwin environments.
Merge pull request #10 from thomasvandoren/fix-sed-errors

Fix sed errors in GitIntro.chpl test.