DOC: Remove specific examples; just highlight the full list.
Merge pull request #95 from danielballan/readme-edits

DOC: Remove links to specific examples; just link the full list.
DOC: Lightly edited README

Cleaned up "tutorials" vs "examples";
Added reference to Canopy
DOC: Revised description of prediction feature in README
Merge pull request #96 from nkeim/revise-readme

DOC: Lightly edited README
PERF/ENH: Dramatically speed up getting "table of contents" for storage

Added keys(), __getitem__() methods to storage classes.
Simplified writing of new storage classes by providing several default methods.
API: Changed storage "keys()" to "frames" property
Merge pull request #98 from nkeim/speed_up_storage

PERF/ENH: Dramatically speed up getting "table of contents" for storage
TST/API: Actually test single-node storage; add default key
ENH/PERF: Added storage class with frame number cache.
BUG: Storage class __del__ if file open failed
BUG: Storage put() failed if no index <= 0.
BUG/ENH: Fixed pytables __del__ crash, added context methods
BLD: Added pytables dependency
TST: Skip Pandas HDFStore if no pytables

(I have verified this works in a pytables-free env)
ENH: **kwargs to storage classes, for compression etc.
Merge pull request #100 from nkeim/storage_cache

Storage class with frame index cacheing
DOC/BLD: Prep README for version 0.2 release.
Merge pull request #101 from danielballan/v2-prep-readme

DOC/BLD: Prep README for version 0.2 release.