update Contributing.md to reflect simplified process.
Merge pull request #159 from mattjacobsen/missing_incoming-pr_branch_#147

update Contributing.md to reflect simplified process.
Added test for losing indexes after reopening the database
Don't forget the indexnames after reopening a store
Also update the index columns.
Merge pull request #164 from DickvdBrink/indexes-lost

Fix index issues
Added test for missing keyPath on IDBIndex
Fixed missing keyPath on IDBIndex
Merge pull request #165 from DickvdBrink/keyPath-lost

IDBIndex keypath lost
Fix for missing storeProps on first run.
Not sure how the test didn't hit this
New build
Merge remote-tracking branch 'upstream/master'

Conflicts:
	dist/IndexedDBShim.min.js
	dist/IndexedDBShim.min.map