Added some clarification to the readme for developers building with different database configurations.
Added some clarification to the readme for developers building with different database configurations.

git-svn-id: 321f0411eb9dbe9132c793fe7bafc7d32235154e@1278 66ffb92e-73f9-0310-93c1-f5514f145a0a

udayg/sakai,duke-compsci290-spring2016/sakai,bkirschn/sakai,whumph/sakai,buckett/sakai-gitflow,frasese/sakai,lorenamgUMU/sakai,bkirschn/sakai,introp-software/sakai,conder/sakai,lorenamgUMU/sakai,joserabal/sakai,clhedrick/sakai,colczr/sakai,ktakacs/sakai,ktakacs/sakai,introp-software/sakai,kingmook/sakai,OpenCollabZA/sakai,willkara/sakai,lorenamgUMU/sakai,ouit0408/sakai,kwedoff1/sakai,rodriguezdevera/sakai,surya-janani/sakai,liubo404/sakai,ktakacs/sakai,joserabal/sakai,liubo404/sakai,lorenamgUMU/sakai,kwedoff1/sakai,liubo404/sakai,colczr/sakai,zqian/sakai,bkirschn/sakai,OpenCollabZA/sakai,puramshetty/sakai,duke-compsci290-spring2016/sakai,tl-its-umich-edu/sakai,joserabal/sakai,rodriguezdevera/sakai,zqian/sakai,joserabal/sakai,ktakacs/sakai,colczr/sakai,hackbuteer59/sakai,pushyamig/sakai,kwedoff1/sakai,surya-janani/sakai,kwedoff1/sakai,colczr/sakai,lorenamgUMU/sakai,bkirschn/sakai,joserabal/sakai,bzhouduke123/sakai,surya-janani/sakai,conder/sakai,buckett/sakai-gitflow,rodriguezdevera/sakai,noondaysun/sakai,willkara/sakai,wfuedu/sakai,kwedoff1/sakai,conder/sakai,duke-compsci290-spring2016/sakai,kwedoff1/sakai,pushyamig/sakai,buckett/sakai-gitflow,noondaysun/sakai,hackbuteer59/sakai,hackbuteer59/sakai,willkara/sakai,conder/sakai,clhedrick/sakai,hackbuteer59/sakai,buckett/sakai-gitflow,ouit0408/sakai,Fudan-University/sakai,tl-its-umich-edu/sakai,puramshetty/sakai,conder/sakai,OpenCollabZA/sakai,kingmook/sakai,joserabal/sakai,pushyamig/sakai,puramshetty/sakai,ouit0408/sakai,OpenCollabZA/sakai,rodriguezdevera/sakai,rodriguezdevera/sakai,kingmook/sakai,tl-its-umich-edu/sakai,udayg/sakai,whumph/sakai,wfuedu/sakai,zqian/sakai,wfuedu/sakai,Fudan-University/sakai,noondaysun/sakai,Fudan-University/sakai,whumph/sakai,kwedoff1/sakai,udayg/sakai,zqian/sakai,bzhouduke123/sakai,hackbuteer59/sakai,hackbuteer59/sakai,OpenCollabZA/sakai,tl-its-umich-edu/sakai,whumph/sakai,whumph/sakai,udayg/sakai,udayg/sakai,tl-its-umich-edu/sakai,ouit0408/sakai,introp-software/sakai,ktakacs/sakai,zqian/sakai,bkirschn/sakai,tl-its-umich-edu/sakai,introp-software/sakai,kingmook/sakai,surya-janani/sakai,rodriguezdevera/sakai,bkirschn/sakai,ouit0408/sakai,surya-janani/sakai,rodriguezdevera/sakai,frasese/sakai,lorenamgUMU/sakai,buckett/sakai-gitflow,puramshetty/sakai,hackbuteer59/sakai,bkirschn/sakai,frasese/sakai,udayg/sakai,frasese/sakai,Fudan-University/sakai,surya-janani/sakai,Fudan-University/sakai,zqian/sakai,wfuedu/sakai,bzhouduke123/sakai,bzhouduke123/sakai,duke-compsci290-spring2016/sakai,willkara/sakai,frasese/sakai,buckett/sakai-gitflow,ktakacs/sakai,ouit0408/sakai,Fudan-University/sakai,colczr/sakai,whumph/sakai,ouit0408/sakai,kingmook/sakai,surya-janani/sakai,liubo404/sakai,OpenCollabZA/sakai,zqian/sakai,ktakacs/sakai,Fudan-University/sakai,duke-compsci290-spring2016/sakai,tl-its-umich-edu/sakai,kingmook/sakai,ouit0408/sakai,joserabal/sakai,hackbuteer59/sakai,bzhouduke123/sakai,frasese/sakai,puramshetty/sakai,clhedrick/sakai,udayg/sakai,frasese/sakai,bzhouduke123/sakai,bkirschn/sakai,noondaysun/sakai,willkara/sakai,clhedrick/sakai,wfuedu/sakai,joserabal/sakai,pushyamig/sakai,kingmook/sakai,tl-its-umich-edu/sakai,bzhouduke123/sakai,zqian/sakai,introp-software/sakai,introp-software/sakai,conder/sakai,ktakacs/sakai,liubo404/sakai,colczr/sakai,lorenamgUMU/sakai,lorenamgUMU/sakai,frasese/sakai,wfuedu/sakai,kwedoff1/sakai,buckett/sakai-gitflow,noondaysun/sakai,pushyamig/sakai,conder/sakai,udayg/sakai,clhedrick/sakai,noondaysun/sakai,liubo404/sakai,puramshetty/sakai,noondaysun/sakai,willkara/sakai,duke-compsci290-spring2016/sakai,OpenCollabZA/sakai,whumph/sakai,liubo404/sakai,clhedrick/sakai,introp-software/sakai,willkara/sakai,puramshetty/sakai,surya-janani/sakai,pushyamig/sakai,puramshetty/sakai,clhedrick/sakai,conder/sakai,liubo404/sakai,pushyamig/sakai,wfuedu/sakai,kingmook/sakai,clhedrick/sakai,colczr/sakai,Fudan-University/sakai,introp-software/sakai,willkara/sakai,duke-compsci290-spring2016/sakai,OpenCollabZA/sakai,whumph/sakai,noondaysun/sakai,colczr/sakai,wfuedu/sakai,pushyamig/sakai,bzhouduke123/sakai,duke-compsci290-spring2016/sakai,buckett/sakai-gitflow,rodriguezdevera/sakai