define xjc input/ouput dir (subsequent builds will be faster) (#1628)
define xjc input/ouput dir (subsequent builds will be faster) (#1628)

Execute task only when input/output dir changed.
bartsch-dev/jabref,mredaelli/jabref,tschechlovdev/jabref,JabRef/jabref,jhshinn/jabref,JabRef/jabref,grimes2/jabref,bartsch-dev/jabref,zellerdev/jabref,JabRef/jabref,shitikanth/jabref,mredaelli/jabref,grimes2/jabref,mairdl/jabref,Mr-DLib/jabref,shitikanth/jabref,sauliusg/jabref,tobiasdiez/jabref,JabRef/jabref,grimes2/jabref,mairdl/jabref,obraliar/jabref,mredaelli/jabref,motokito/jabref,oscargus/jabref,jhshinn/jabref,ayanai1/jabref,motokito/jabref,sauliusg/jabref,zellerdev/jabref,Braunch/jabref,oscargus/jabref,shitikanth/jabref,Mr-DLib/jabref,Mr-DLib/jabref,Siedlerchr/jabref,Braunch/jabref,zellerdev/jabref,bartsch-dev/jabref,tschechlovdev/jabref,sauliusg/jabref,obraliar/jabref,Siedlerchr/jabref,tschechlovdev/jabref,ayanai1/jabref,ayanai1/jabref,ayanai1/jabref,mredaelli/jabref,Siedlerchr/jabref,bartsch-dev/jabref,oscargus/jabref,oscargus/jabref,tschechlovdev/jabref,Siedlerchr/jabref,obraliar/jabref,Mr-DLib/jabref,motokito/jabref,shitikanth/jabref,tobiasdiez/jabref,Braunch/jabref,tobiasdiez/jabref,zellerdev/jabref,ayanai1/jabref,jhshinn/jabref,Mr-DLib/jabref,mairdl/jabref,obraliar/jabref,jhshinn/jabref,motokito/jabref,zellerdev/jabref,grimes2/jabref,mairdl/jabref,Braunch/jabref,tobiasdiez/jabref,tschechlovdev/jabref,oscargus/jabref,mairdl/jabref,obraliar/jabref,mredaelli/jabref,bartsch-dev/jabref,sauliusg/jabref,motokito/jabref,jhshinn/jabref,shitikanth/jabref,grimes2/jabref,Braunch/jabref