Update .gitignore
Update Rbuildignore
Add validation for name and group arguments
Fix vdbConn to get old name or override with new name
Fix makePNG() to deal with 'Date' class axis limits for lattice
Fix addDisplay() to output the proper type of displayObject
Remove strict dependency on scagnostics package
Fix bugs in viewer dealing with panel labels and panel dimensions
Update email address
Merge pull request #60 from hafen/dev

Dev
Merge pull request #61 from tesseradata/dev

Dev