removed restriction on polygons of length 2. now able to annotate lines
removed restriction on polygons of length 2. now able to annotate lines

davidfof13/fypMedicalImagingProject,anooprh/LabelMeAnnotationTool,Ovass/annotate,DeercoderResearch/PhD,davidfof13/fypMedicalImagingProject,joelimlimit/LabelMeAnnotationTool,deercoder/PhD,DeercoderResearch/PhD,joelimlimit/LabelMeAnnotationTool,deercoder/0-PhD,davidfof13/fypMedicalImagingProject,tessbianchi/MILLabelTool,DeercoderResearch/PhD,CSAILVision/LabelMeAnnotationTool,deercoder/0-PhD,joelimlimit/LabelMeAnnotationTool,davidfof13/fypMedicalImagingProject,Ovass/annotate,DeercoderResearch/PhD,tessbianchi/MILLabelTool,davidfof13/fypMedicalImagingProject,CSAILVision/LabelMeAnnotationTool,deercoder/PhD,joelimlimit/LabelMeAnnotationTool,joelimlimit/LabelMeAnnotationTool,anooprh/LabelMeAnnotationTool,joelimlimit/LabelMeAnnotationTool,CSAILVision/LabelMeAnnotationTool,deercoder/PhD,deercoder/PhD,deercoder/0-PhD,joelimlimit/LabelMeAnnotationTool,deercoder/0-PhD,cykustcc/labelme,CSAILVision/LabelMeAnnotationTool,davidfof13/fypMedicalImagingProject,CSAILVision/LabelMeAnnotationTool,cykustcc/labelme,DeercoderResearch/PhD,tessbianchi/MILLabelTool,Ovass/annotate,tessbianchi/MILLabelTool,cykustcc/labelme,tessbianchi/MILLabelTool,deercoder/PhD,Ovass/annotate,deercoder/0-PhD,joelimlimit/LabelMeAnnotationTool,insominx/LabelMeAnnotationTool,anooprh/LabelMeAnnotationTool,tessbianchi/MILLabelTool,cykustcc/labelme,deercoder/0-PhD,tessbianchi/MILLabelTool,insominx/LabelMeAnnotationTool,davidfof13/fypMedicalImagingProject,cykustcc/labelme,joelimlimit/LabelMeAnnotationTool,deercoder/0-PhD,insominx/LabelMeAnnotationTool,davidfof13/fypMedicalImagingProject,deercoder/PhD,Ovass/annotate,Ovass/annotate,deercoder/PhD,davidfof13/fypMedicalImagingProject,DeercoderResearch/PhD,DeercoderResearch/PhD,CSAILVision/LabelMeAnnotationTool,Ovass/annotate,cykustcc/labelme,joelimlimit/LabelMeAnnotationTool,CSAILVision/LabelMeAnnotationTool,cykustcc/labelme