JSON.parse the escaped JSON for initialState.

This resolves the issue of dashboards not loading when passed as /dashboard/<name>.
Patch for 'normalize' that crashed with empty set

When a function is called on an empty serie, the function 'normalize'
encoutered an error.
Now it raises a custom error that is tracked by the function 'evaluateTokens'
and returns []
adding test function for normalize()
Use url() and import views in URL definitions
Add configurable URL prefix
Handle STATIC_URL with prefix
Resolve all URLs or prefix them with baseUrl
Load future url on Django 1.4
Disable this for now
Properly handle empty prefix
Merge branch 'master' into fix/reverse
Update reverse call to use named URL
Add a lint tox target, fix all import issues
Fix some whitespace issues
backport of changed() function to master, refs #530
Merge branch 'master' into new_change_function
Merge pull request #843 from ojilles/master

Documenting that you can use alpha values for colors
Minor fix for Vagrant+Syntesize docs
Update install-synthesize.rst
Merge pull request #844 from deniszh/master_doc_fix

Minor fix for Vagrant+Syntesize docs