test image parsing, and update some demo descriptions
test image parsing, and update some demo descriptions

mbonsma/studyGroup,mbonsma/studyGroup,mbonsma/studyGroup,lwjohnst86/studyGroup,mbonsma/studyGroup,mbonsma/studyGroup,mbonsma/studyGroup,linamnt/studyGroup,QuLogic/studyGroup,linamnt/studyGroup,lwjohnst86/studyGroup,QuLogic/studyGroup,lwjohnst86/studyGroup,linamnt/studyGroup,QuLogic/studyGroup,linamnt/studyGroup,lwjohnst86/studyGroup,lwjohnst86/studyGroup,QuLogic/studyGroup,linamnt/studyGroup,linamnt/studyGroup,QuLogic/studyGroup,QuLogic/studyGroup,lwjohnst86/studyGroup