update: New externals with Highstock 1.3.7
fix: Move cwidget definition in chart options (avoid recursion on options merge by Highcharts)
fix: Enable/Disable marker also on hovering
improve: Make cwidget definition part of setOptions() again, but use closures this time
update index.min.html with calendar js and css
remove: useless simlink
Merge branch 'update-highstock-1.3.7' into jquery-calendar-widget
fix: end timestamp error on editing single-day full-day event