removed demo scss from build
detected clicks on dialog content
delegating dialog trigger events
added pseudo code outline of width detection
copying of classes from content onto dialog inner
reverted to only allow customising outer classes
tidying origaomi and npm config
.origamiconfig -> origami,json
sorting out demos and dependencies
Merge branch 'master' into parametrisation

Conflicts:
	js/dialog.js
	main.js
put dropup and dropdown in separate files
parameterising of snapping to full height/width
fixing triggering of dialogs
renamed 'overlay' preset to 'modal' and made having an overlay a configurable option
removed hard dependency on modernizr
included version of modernizr prefixed