fix: removes the 'engines' requirement (#118)

A mismatched engine causes an error when using yarn.

fix: make pouchdb-browser dependency more flexible

Merge pull request #110 from angular-pouchdb/109-pouchdb-6

PouchDB v6 support

fix: bump publish-repo

Merge pull request #103 from angular-pouchdb/bump-pouch

feat: bump PouchDB to v5.4.0

Merge pull request #100 from angular-pouchdb/pouch-bump

feat: update PouchDB to 5.3.2

Merge pull request #88 from angular-pouchdb/pouchdb-5.1

feat: update PouchDB to 5.1.0

fix: remove post install

Closes #86.

feat: PouchDB v5 support

BREAKING CHANGE: update to PouchDB v5, which contains breaking changes. See:
http://pouchdb.com/2015/10/06/pouchdb-5.0.0-five-years-of-pouchdb.html

Closes #73.

feat: update to PouchDB v4.x

BREAKING CHANGE: uptodate event was replaced with paused