added default goal to build -> just call 'mvn'
Merge branch 'master' of https://github.com/akquinet/needle
add checkArgument
typo
Annotation Utils for qualifiers
 component for injection tests
#21 allows injection of multiple InstanceProvider instances at once
#22 InjectionProviders Utils for DefaultInstance, NamedInstance (@Named)
and QualifiedInstance (@Qualifier)