pouchdb-mapreduce-utils 6.0.6

on Node.js NPM

Makes minor perf improvements and fixes some inefficiencies in packaging, also PouchDB can now be Rollup'ed itself.

• (#5737) - fix jsnext:main pointing to incorrect file
• (#5730) - fix leveldown included in pouchdb-adapter-leveldb-core
• (#5612) - remove unnecessary stringify/parse from vm usage