updated Chef cookbooks, use standard passenger_apache2 cookbook
changed default Chef setup for Apache configuration
add ruby paths for passenger gem to node.json instead of default alm recipe
ALM-611 generate monthly metrics for sources with events
ALM-612 generated History class for processing of API results
ALM-612 fixed grouping of events by month and day
ALM-611 added output from History class
ALM-611 store metrics by day and month in CouchDB
ALM-612 more tweaking of source unit tests
updated documentation for sources
updated documentation for sources
ALM-612 added CSL attributes to citable events
use 3 workers in development environment
use 127.0.0.1 instead of localhost for cache requests
removed invisible characters
allow localhost for webmock