text width controlled by annotation-wrapper.
Figures top and bottom offsets for each annotation.
Highights get brighter when they're in the Annotation Window.
Adds annotations with user pics to panel when they're in the page window.
Annotations get removed from pane as you scroll; lens shown as window into pane.
add stuff files i forgot to add.
Merge branch 'anno-pane2'

Conflicts:
	silsannotate/static/css/main.css
	silsannotate/static/js/annotator/annotator.js
	silsannotate/static/js/annotator/plugin/scrollbar.js
	silsannotate/static/js/silsannotate.js
	silsannotate/static/less/main.less