ngs bar code plugin to spring mvc style plugin
Move datasetsindexer to omx-core, is not dataexplorer specific
Move datasetsindexer to omx-core, is not dataexplorer specific (part 2)
Move datasetdeleter to omx-core, is not importer functionality
Merge pull request #734 from bartcharbon/master

ngs barcode plugin to spring mvc style plugin + move datasetsindexer