PreTune: an example application that reads a json file and creates
formulas to produce tables, plots, etc...
PreTune: adding reset and adding button to reflect the stepping scaling
functions wanted by default.
TableWidget: handling null cell values in the content provider
pretune: 
Moving to a seperate plugin.
Adding an adapter for log entries.
o.c.channel.views: cleanup after the moving of pretune
Merge branch 'master' of https://github.com/diirt/cs-studio-integration.git into diirt-master
Merge branch 'master' of https://github.com/diirt/cs-studio-integration.git into diirt-master