Updates from libdynd cleanup branch
Add checks for null in attribute access exposure (fixes #85)
Add simple test for dynd getitem-ing itself
Merge pull request #120 from mwiebe/cleanup

Some cleanup after the libdynd PR
Merge pull request #117 from cpcloud/int-getitem

Add simple test for dynd getitem-ing itself
Add cmake things to gitignore
Merge pull request #121 from cpcloud/cmake-gitignore

Add cmake things to gitignore
Update vagrant for easier dev building
Use new makefile for login startup etc
CLN: cmake should not use the curdir
For git checkout to keep sh files using LF
Try different gitattributes syntax
Remove array_from_ptr function

With the fixed dimension types' metadata changed to match
that of the strided dimension, this function doesn't work
quite as cleanly. OS X's allocator was detecting problems
in the tests, and it seems a good idea to just remove it.
Add a test of assigning from python iterator to dynd struct