Test both source and package installs
Ensure dependency packages can be installed properly
Don't manage loaded modules
Test package install correctly

Source is default
Build UniMRCP on package and source installs
Always build in typical linux directories
Don't reinstall asterisk from source if it's already installed
Keep the data bags directory for tests
Skeleton of new README
Don't test on CentOS for now
Scope SIP and manager config better
Document attributes in README
Bump to 0.2.0
Changelog entries
Install UniMRCP 1.1.0 by default
Install Asterisk 11.6.0 by default

Asterisk publishes SHA1 checksums of releases, but Chef only supports SHA256 right now (https://tickets.opscode.com/browse/CHEF-3634)
Merge branch 'release/0.2.0'