extend self instead of defining class methods
Add support for instrumentation
Watch all loaded env files using instrumentation
Merge remote-tracking branch 'origin/master' into instrumentation

* origin/master:
  Release 1.0.2
  Override .load class method to avoid calling Kernel#load
  Exclude rails files from dotenv gem
  Update change log with `Dotenv::Railtie.load` and `dotenv/rails-now`
  Note load order considerations in REAME
  Add dotenv/rails-now to load dotenv immediately
  Rename "dotenv/railtie" to "dotenv/rails"
  Define Dotenv::Railtie.load
  specs for railtie
  Prepare for 1.0.1 release
  Attempt to load spring/watcher
  Remove jruby from travis until error is resolved
  Use before_configuration callback to load config
  update changelog
  Bump version
  Update changelog for 1.0
  Clarify stance on committing .env
  Remove dotenv-deployment dependency
  Remove deprecations

Conflicts:
	lib/dotenv-rails.rb
Specs for watching multiple files
Merge branch 'master' into instrumentation

* master:
  Fix guardfile
cleanup instrumentation in railtie
Merge pull request #137 from bkeepers/instrumentation

Add instrumenter