Some small cleanups before merging the text branch into trunk.
Some small cleanups before merging the text branch into trunk.

git-svn-id: d6d72561c430d2fe9dc5ddeb0f646cbdb8f9f0b9@56 fd59bba8-8519-0410-9389-e36bf2bdbbd6

qingyangmoke/explorercanvas,qingyangmoke/explorercanvas,jonessieka/explorercanvas,afif2829/explorercanvas,githubashto/explorercanvas,jevgen/explorercanvas,thdtjsdn/ExplorerCanvas,petabytekr/explorercanvas,githubashto/explorercanvas,sebs/explorercanvas,Burningm/explorercanvas,tqtiwvfdn/explorercanvas,craftica/explorercanvas,petabytekr/explorercanvas,jiangjunt/ExplorerCanvas,sebs/explorercanvas,JonazMartinez/explorercanvas,afif2829/explorercanvas,tqtiwvfdn/explorercanvas,stcherenkov/explorercanvas,sandeeproop/explorercanvas,KingPsychopath/explorercanvas,craftica/explorercanvas,stcherenkov/explorercanvas,jiangjunt/ExplorerCanvas,JonazMartinez/explorercanvas,arv/ExplorerCanvas,jevgen/explorercanvas,KingPsychopath/explorercanvas,amosworker/ExplorerCanvas,TechmanDesign/explorercanvas,rsstation/explorercanvas,amosworker/ExplorerCanvas,peipe/explorercanvas,Burningm/explorercanvas,harrylhawkins/explorercanvas,harrylhawkins/explorercanvas,peipe/explorercanvas,jonessieka/explorercanvas,arv/ExplorerCanvas,renerubio/explorercanvas,sandeeproop/explorercanvas,TechmanDesign/explorercanvas,rsstation/explorercanvas,renerubio/explorercanvas,thdtjsdn/ExplorerCanvas