fix numpy referenced as np
Merge pull request #371 from bpinsard/bug/numpyimports

fix numpy referenced as np
Update proxy writer for issue 372
Update ANN for 2.2.1
Update version numbers for 2.2.1
Merge pull request #373 from andrewcollette/issue_372

Update proxy writer for issue 372
Merge branch '2.2_updates' into 2.2
Add Dataset.size to High-Level reference
Merge pull request #378 from tovrstra/sizedoc

Add Dataset.size to High-Level reference
Update gitignore
Remove old docs
Import docs
Update gitignore
Make simple version
Update docs index with warning
Reorganize intro
Update install and intro docs
Move docs/meta files
Update contributors' guide
Update quick-start guide