eclipse安装Activiti-designer所需jar包Cannotcompletetheinstallbecauseoneormorerequireditemscouldnotbefound.Softwarebeinginstalled:ActivitiEclipseBPMN2.0Designer5.18.0.201508100929(org.activiti.designer.feature.feature.group5.18.0.201508100929)Missingrequirement:ActivitiEclipseBPMN2.0Designer5.18.0.201