Merge pull request #1 from joelkuiper/master

Fancify look&feel
divs instead of forms since they do not submit
Show Confidence Factors in results page
Override quantiles with given range
Stubs for PVF elicitation
Force yMin=0.0 on central weights plot
Minor stuff
Decouple direction and type in specs

Move PVF functions to seperate handler
Work in progress refactor to move problem to currentState

- There was a weird distinction that fails when adding PVF's
Seperate linearity and type of PVF in examples
Move problem to currentStep

- this prevents aribrary duplication and state
Check both bounds of the restricted range on the slider
Some minor things

- Remove unneeded style
- Rename function create to extreme (fits better)
Work in progress for PVF elicitation
Add fava example
Chrome does not support Array methods
Comment out work in progress
Remove redundant list elements
Minor style fixes
Fix default selection of PVF direction