Merge pull request #23 from DanielReid/develop

Refactors
Separate measurements parsing / sampling for reuse
Add example of running directly in R
Merge pull request #24 from gertvv/develop

Make measurements sampling reusable
Add images and scripts folders
Fix intervalSwing and exactSwing tasks
More consistent / minimal save functionality
Minor fixes in results page
Remove chooseMethod task
s/currentState/state
Minor typography
Factor available tasks out to config
MathJax support
Remove redundant info from PVF on save
[WIP] Overview page
Fix error notifications for patavi calls
Move task pages to views folder
Remove chooseMethod tests
Check task dependencies and destructiveness
Remove preference debug from results view