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