1.add 3 var for two part contact
1.when 2 part close they will contact automatically;2.refresh propertypage when 2 part contact
1.record 3 dot(dotstart,dotend,dotendfork),the element terminal
1.put the dot var to base class BaseRailEle.cs from drive classes
1.change the keys for store
Merge branch 'Branch_develop' into develop
Merge pull request #54 from MaxinMicrocyber/develop

Develop