[DROOLS-614] Traits should map non-accessor methods

[DROOLS-614] Traits should map non-accessor methods
[DROOLS-615] Composite PackageDescrs ignore declared enums

(cherry picked from commit b914819267ce9e71ca6f80738cd31655e37902f1)
[DROOLS-621] DrlDumper does not output traits

(cherry picked from commit 3e4ae4ef5555eb15a7c0a013c8421b4c95da4882)
[DROOLS-622] DrlDumper does not output enum declarations

(cherry picked from commit 69cab8db4681743717033a099aba9affb7154b9e)
[DROOLS-619] Strongly typed java annotations

(cherry picked from commit df28a4ec13dd72f2fac40405545cd80c55fd53a4)
Fix typo in error message

(cherry picked from commit f926f4802594910ee697116797436b52cb5bf3ce)
remove wrong imports