added initial build of selection/looping feature
make selection color configurable and make selection (sort of) play nice with scrollParent option
make seek happen on mouseup instead of click
make loopSelection a configurable param
added getSelection() method
updated README with selection-related info
refactored delegation of wrapper events in Drawer prototype
silencing a few build warnings
fix typo in dblclick listener
make loopSelection disabled by default
indentation fix
Merge branch 'kp-master' into drag-select

Conflicts:
	build/wavesurfer-js-map.json
	build/wavesurfer.amd.js
	build/wavesurfer.min.js
extract renderer-specific methods for drawing/clearing the selection
Merge pull request #116 from instajams/drag-select

Selection/Looping via click-drag
Merge pull request #117 from instajams/timeline-pixel-ratio-fix

Timeline pixel ratio fix
#116 code style
bump version
selection in elan example
resolves #118, #123, #126; refactor drag selection; add parameter dragSelection; make loopSelection enabled by default
unified object type for getSelection and updateSelection