wip
Enable source maps in tests
Remove redundant test configuration - karma plugins are autoloaded
Use karma-sourcemap-loader to rewrite stacktrace line numbers
Use qs 2.2.2

Fixes #254
Merge pull request #255 from KidkArolis/improve-karma-conf

Improve karma conf
[removed] .js files from repo root

Also reorganized a few things:

index.js => modules/index.js
modules/helpers => modules/utils
script => scripts

Fixes #256
[changed] Use Browserify to build examples
[changed] Use Browserify to run specs
Style tweak
Remove outdated comment
Remove some test warnings
Add reactify dev dependency
Add missing NODE_ENV environment variable
remove note about --watch (until we have it again)
fix npm test
updated upgrade guide
release v0.7.0
manual changelog update
[changed] isActive is an instance method
[removed] <Routes onActiveStateChange>

This commit removes ActiveStore (yay!). Instead, <Routes> components
now store their own active state and emit active state change events
to ActiveState descendants that are interested.