Fix embedded subworkflows to not require "id" field (#185)
Fix embedded subworkflows to not require "id" field (#185)


dleehr/cwltool,jeremiahsavage/cwltool,jeremiahsavage/cwltool,chapmanb/cwltool,chapmanb/cwltool,SciDAP/cwltool,chapmanb/cwltool,jeremiahsavage/cwltool,jeremiahsavage/cwltool,dleehr/cwltool,SciDAP/cwltool,dleehr/cwltool,dleehr/cwltool,common-workflow-language/cwltool,SciDAP/cwltool,common-workflow-language/cwltool,chapmanb/cwltool,SciDAP/cwltool,common-workflow-language/cwltool