Merge pull request #76 from MarioArias/master

Change pointcut definition for actorOf
includeSystemAgents is configurable
can match multiple inclusions/exclusions. Boolean to switch between include/exclude behaviour renamed 'excludeAllNotIncluded'
updated comments, improved test
Faster filter match (sometimes. SOmetimes will still have to iterate through the list)
formatting
Merge pull request #77 from hughsimpson/filters

Can specify multiple actor types in included/excluded/sampling filters
Use version variable on intro.rst
Better pointcut definition for actorOf
Additional check
Alter JavaDoc
Formatting
ScalaDoc
Single public pointcut for advising actor creation
static
Extra test
updated pointcuts.rst
formatting, fixed doc error
Fix rst problem
Formatting