Merge pull request #27 from geekcell/modernization

move app port to env var

move redis connection string to env var

redis image version as arg

move image versions and node env to args

remove link to v2

clean up README links

remove env var from nodemon files

add node_modules and package lock files to gitignore

remove old examples

modernize nodemon + redis example

modernize nodemon example

modernize basic example

update license and README

Update README.md