fixed missing variable declaration
add Developer guide to the README file
update git ignore
fix lint command in README
code review, linting.
assign global var.
update config variable.
improve testability
fix dc
get ride of configHelpers.HOME
assign once for all loaded plugins
fix the doc
fix the doc
improved tests
fix the doc
fix the doc
fix white space
some more
Merge pull request #14 from maboiteaspam/code_review

Code review
lint code via eslint