added client metadata parser, still need to set metadata to DCaseNode
added metadata description
fix client API getDCaseList
Merge pull request #16 from assureit/fix_clientAPI_getDCaseList

fix client API getDCaseList
remove test code & console.log
Merge pull request #17 from shidasan/redmine

Redmine
Merge branch 'master' into add_paging_to_getDCaseList_searchDCase