[view/slickgrid][s]: refactor to move row reordering setup into separate function.
[view/slickgrid][s]: refactor to move row reordering setup into separate function.

* Plus we do not set up row reordering unless enableReOrderRow is set in options

NuCivic/recline.js,beni55/recline,modulexcite/recline,beni55/recline,acouch/recline,boban-dj/recline,okfn/recline,NuCivic/recline.js,beni55/recline,rjsteinert/recline,acouch/recline,okfn/recline,acouch/recline,modulexcite/recline,modulexcite/recline,NuCivic/recline.js,gotjoshua/recline,rjsteinert/recline,GerHobbelt/recline,boban-dj/recline,rjsteinert/recline,gotjoshua/recline,GerHobbelt/recline,okfn/recline,boban-dj/recline,gotjoshua/recline,GerHobbelt/recline