fix asm version
Updated resources plugin version to 1.2
Merge pull request #335 from bobbywarner/master

Updated resources plugin version to 1.2
Merge pull request #334 from michaelcameron/master

Support rolling back transactions on multiple datasources during integration tests - GRAILS-9771
initial implementation of Promise concept, currently backed by GPars
Refactored. Changed Promise to an interface. Introduced Promises factory class. Made PromiseList not implement list etc.
first cut of PromiseMap implementation
finished implementation of PromiseMap, integrated it with Promises static helper
change factory method name to 'createPromise'
test for timeout handling
move new async classes to new independent project that others can depend on
Expose an API to decorate promises, required for wrapping asynchronous function executions in persitence sessions for example
Implement @DelegateAsync annotation that transforms a class to delegate methods to another class asynchronously, returning a promise instead of the actual return type
Refactored and introduce concept of PromiseFactory with Gpars implementation, further reducing coupling between Promise framework and GPars
Implement synchronous PromiseFactory for usage in unit testing environment
move DelegateAsync transform to grails.async package
fix handling of then chaining for PromiseMap and PromiseList
add high res logo
Fix issue where calling validate() after a domain class is reloaded with hibernate.reload = false causes NPE
DelegateAsync: don't specify generic type if target method returns void