New project structure

[PavelBal]

• On GitHub/SVN
• Observed data global for whole project, not for versions
• Rework excel file / sheet / columns and related object names #577

[Felixmil]

Make ProjectConfiguration interoperable between: PKSim/Mobi export / Json Files / Shiny editing app.

[PavelBal]

• For all excel files - append the current version (e.g., "V00.08") to the name of the file, in order to be able to open the same file (e.g. "Parameters") from different versions for comparison.

[PavelBal]

• Rename projectConfiguration$paramsFile by projectConfiguration$modelParamsFile Rename projectConfiguration$paramsFile by projectConfiguration$modelParamsFile #558
• Rename PopulationParameters.xlsx to Populations.xlsx Rename PopulationParameters.xlsx to Populations.xlsx #554

[PavelBal]

• Idea: Make projectConfiguration object contain ALL the project's parameters Idea: Make projectConfiguration object contain _ALL_ the project's parameters #560