update curvestylemanager flot plugin
update hiddengraphs flot plugin
update timenav flot plugin to handle reset zoom button css in a better way
Merge branch 'flotcharts' of https://github.com/capensis/canopsis-externals into flotcharts

Conflicts:
	webcore-libs/flot-plugins/custom/jquery.flot.canopsis.hiddengraphs.js