fix indentMessage multi-line color handling. refs #7735
fix indentMessage multi-line color handling. refs #7735

backmari/moose,milljm/moose,liuwenf/moose,bwspenc/moose,dschwen/moose,milljm/moose,lindsayad/moose,dschwen/moose,dschwen/moose,harterj/moose,backmari/moose,SudiptaBiswas/moose,Chuban/moose,milljm/moose,backmari/moose,permcody/moose,liuwenf/moose,jessecarterMOOSE/moose,yipenggao/moose,harterj/moose,andrsd/moose,idaholab/moose,yipenggao/moose,friedmud/moose,jessecarterMOOSE/moose,andrsd/moose,YaqiWang/moose,Chuban/moose,SudiptaBiswas/moose,laagesen/moose,idaholab/moose,harterj/moose,YaqiWang/moose,yipenggao/moose,bwspenc/moose,milljm/moose,laagesen/moose,laagesen/moose,backmari/moose,bwspenc/moose,Chuban/moose,bwspenc/moose,permcody/moose,lindsayad/moose,friedmud/moose,SudiptaBiswas/moose,andrsd/moose,liuwenf/moose,liuwenf/moose,SudiptaBiswas/moose,jessecarterMOOSE/moose,lindsayad/moose,harterj/moose,dschwen/moose,harterj/moose,nuclear-wizard/moose,laagesen/moose,Chuban/moose,jessecarterMOOSE/moose,idaholab/moose,idaholab/moose,sapitts/moose,milljm/moose,dschwen/moose,sapitts/moose,liuwenf/moose,lindsayad/moose,idaholab/moose,permcody/moose,sapitts/moose,permcody/moose,nuclear-wizard/moose,nuclear-wizard/moose,andrsd/moose,jessecarterMOOSE/moose,friedmud/moose,bwspenc/moose,laagesen/moose,liuwenf/moose,sapitts/moose,andrsd/moose,nuclear-wizard/moose,YaqiWang/moose,lindsayad/moose,sapitts/moose,YaqiWang/moose,SudiptaBiswas/moose,friedmud/moose,yipenggao/moose