tightens the dependency on epsilon project to a specific version
addresses delimited text previewing issue with "null" string
adds title and message to crosswalk wizard pages
adds row labels to crosswalk wizard tabular data preview
trims last row from delimited data if empty line
updates epsilon update repository url in pom.xml
improves charset detection behavior, setting default charset
Merge pull request #3 from UNC-Libraries/epsilon-cw-fixes

Epsilon dependency and crosswalk wizard bug fixes