Add more detailed instructions to Contributing doc
Add more detailed instructions to Contributing doc

sxhao/bookshelf,tjwudi/bookshelf,rbong/bookshelf,tgriesser/bookshelf,sanchesic89/bookshelf,stonegithubs/bookshelf,apla/bookshelf,cspotcode/bookshelf,zdespolit/bookshelf,shaunstanislaus/bookshelf,cspotcode/bookshelf,TinOo512/bookshelf,patbenatar/bookshelf,sxhao/bookshelf,mdboop/bookshelf,chuym/bookshelf,tbutman/bookshelf,offlinehacker/bookshelf,chuym/bookshelf,joshturn/bookshelf,stridentbean/bookshelf,VideoAmp/bookshelf,jordansexton/bookshelf,sanchesic89/bookshelf,shadedprofit/bookshelf,lanetix/bookshelf,lanetix/bookshelf,sxhao/bookshelf,jordansexton/bookshelf,apla/bookshelf,tbutman/bookshelf,nodeonly/bookshelf,bookshelf/bookshelf,MadcapJake/bookshelf,tjwudi/bookshelf,nodeonly/bookshelf,stonegithubs/bookshelf,shaunstanislaus/bookshelf,patbenatar/bookshelf,nodeonly/bookshelf,mdboop/bookshelf,jadengore/bookshelf,offlinehacker/bookshelf,bookshelf/bookshelf,chuym/bookshelf,VideoAmp/bookshelf,princesust/bookshelf,zubeio/bookshelf,zubeio/bookshelf,zubeio/bookshelf,tbutman/bookshelf,dougshamoo/bookshelf,tgriesser/bookshelf,vellotis/bookshelf,dougshamoo/bookshelf,dougshamoo/bookshelf,zdespolit/bookshelf,joshturn/bookshelf,MadcapJake/bookshelf,shaunstanislaus/bookshelf,mdboop/bookshelf,TNuzzi/bookshelf,seegno-forks/bookshelf,vellotis/bookshelf,zdespolit/bookshelf,stridentbean/bookshelf,chrisbroome/bookshelf,jadengore/bookshelf,TinOo512/bookshelf,VideoAmp/bookshelf,princesust/bookshelf,princesust/bookshelf,sanchesic89/bookshelf,joshturn/bookshelf,chrisbroome/bookshelf,shadedprofit/bookshelf,vellotis/bookshelf,shadedprofit/bookshelf,MadcapJake/bookshelf,jadengore/bookshelf,patbenatar/bookshelf,tjwudi/bookshelf,rbong/bookshelf,TNuzzi/bookshelf,seegno-forks/bookshelf,lanetix/bookshelf,stonegithubs/bookshelf,stridentbean/bookshelf,TNuzzi/bookshelf,offlinehacker/bookshelf