SAK-29772 Update maven-*-plugin to latest versions.
SAK-29772 Update maven-*-plugin to latest versions.

Also lock down the version of the maven-clean-plugin as it wasn’t specified.
buckett/sakai-gitflow,clhedrick/sakai,ouit0408/sakai,rodriguezdevera/sakai,hackbuteer59/sakai,kwedoff1/sakai,rodriguezdevera/sakai,surya-janani/sakai,udayg/sakai,colczr/sakai,OpenCollabZA/sakai,buckett/sakai-gitflow,Fudan-University/sakai,conder/sakai,liubo404/sakai,surya-janani/sakai,clhedrick/sakai,introp-software/sakai,ktakacs/sakai,noondaysun/sakai,hackbuteer59/sakai,duke-compsci290-spring2016/sakai,introp-software/sakai,Fudan-University/sakai,liubo404/sakai,willkara/sakai,rodriguezdevera/sakai,surya-janani/sakai,duke-compsci290-spring2016/sakai,kwedoff1/sakai,udayg/sakai,liubo404/sakai,ktakacs/sakai,clhedrick/sakai,OpenCollabZA/sakai,frasese/sakai,bkirschn/sakai,conder/sakai,pushyamig/sakai,bkirschn/sakai,frasese/sakai,rodriguezdevera/sakai,ktakacs/sakai,rodriguezdevera/sakai,lorenamgUMU/sakai,zqian/sakai,noondaysun/sakai,pushyamig/sakai,lorenamgUMU/sakai,pushyamig/sakai,ouit0408/sakai,duke-compsci290-spring2016/sakai,OpenCollabZA/sakai,noondaysun/sakai,conder/sakai,liubo404/sakai,kwedoff1/sakai,willkara/sakai,Fudan-University/sakai,buckett/sakai-gitflow,colczr/sakai,OpenCollabZA/sakai,conder/sakai,ouit0408/sakai,hackbuteer59/sakai,puramshetty/sakai,puramshetty/sakai,introp-software/sakai,noondaysun/sakai,udayg/sakai,frasese/sakai,lorenamgUMU/sakai,udayg/sakai,clhedrick/sakai,udayg/sakai,zqian/sakai,willkara/sakai,OpenCollabZA/sakai,buckett/sakai-gitflow,clhedrick/sakai,Fudan-University/sakai,ktakacs/sakai,conder/sakai,Fudan-University/sakai,hackbuteer59/sakai,willkara/sakai,buckett/sakai-gitflow,OpenCollabZA/sakai,duke-compsci290-spring2016/sakai,joserabal/sakai,surya-janani/sakai,puramshetty/sakai,ktakacs/sakai,joserabal/sakai,puramshetty/sakai,frasese/sakai,frasese/sakai,kwedoff1/sakai,clhedrick/sakai,frasese/sakai,colczr/sakai,lorenamgUMU/sakai,conder/sakai,joserabal/sakai,introp-software/sakai,zqian/sakai,joserabal/sakai,noondaysun/sakai,duke-compsci290-spring2016/sakai,bkirschn/sakai,kwedoff1/sakai,noondaysun/sakai,kwedoff1/sakai,ktakacs/sakai,clhedrick/sakai,frasese/sakai,bzhouduke123/sakai,bkirschn/sakai,buckett/sakai-gitflow,pushyamig/sakai,introp-software/sakai,colczr/sakai,ouit0408/sakai,clhedrick/sakai,frasese/sakai,surya-janani/sakai,willkara/sakai,Fudan-University/sakai,introp-software/sakai,duke-compsci290-spring2016/sakai,bzhouduke123/sakai,liubo404/sakai,conder/sakai,pushyamig/sakai,hackbuteer59/sakai,colczr/sakai,zqian/sakai,conder/sakai,duke-compsci290-spring2016/sakai,puramshetty/sakai,surya-janani/sakai,willkara/sakai,bkirschn/sakai,rodriguezdevera/sakai,lorenamgUMU/sakai,ktakacs/sakai,bzhouduke123/sakai,joserabal/sakai,introp-software/sakai,udayg/sakai,OpenCollabZA/sakai,lorenamgUMU/sakai,willkara/sakai,udayg/sakai,liubo404/sakai,pushyamig/sakai,bzhouduke123/sakai,surya-janani/sakai,ouit0408/sakai,ktakacs/sakai,kwedoff1/sakai,ouit0408/sakai,willkara/sakai,puramshetty/sakai,buckett/sakai-gitflow,noondaysun/sakai,bzhouduke123/sakai,zqian/sakai,rodriguezdevera/sakai,liubo404/sakai,zqian/sakai,puramshetty/sakai,colczr/sakai,colczr/sakai,joserabal/sakai,liubo404/sakai,ouit0408/sakai,introp-software/sakai,hackbuteer59/sakai,bzhouduke123/sakai,duke-compsci290-spring2016/sakai,lorenamgUMU/sakai,bzhouduke123/sakai,bzhouduke123/sakai,kwedoff1/sakai,noondaysun/sakai,bkirschn/sakai,rodriguezdevera/sakai,pushyamig/sakai,colczr/sakai,hackbuteer59/sakai,bkirschn/sakai,surya-janani/sakai,udayg/sakai,puramshetty/sakai,joserabal/sakai,hackbuteer59/sakai,OpenCollabZA/sakai,pushyamig/sakai,zqian/sakai,bkirschn/sakai,zqian/sakai,Fudan-University/sakai,buckett/sakai-gitflow,joserabal/sakai,Fudan-University/sakai,lorenamgUMU/sakai,ouit0408/sakai