Added .gitignore
Enabled compilation of the widgetset for all gwt supported browsers.
server call on event click
Theme switching example
Enabling server call on event click is configurable throw Chrono Grapher
constructor
Example of usage server call feature
Enable server call on event detail title click
bugfix: every instance of chrono grapher now has it's RPC callback
method
Added timeline range functionality.
Merge branch 'master' into time_range

Conflicts:
	timeline/ChronoGrapher/chronographer-addon/src/main/java/org/vaadin/chronographer/ChronoGrapher.java
	timeline/ChronoGrapher/chronographer-demo/src/main/java/org/vaadin/chronographer/demo/SimpleTimelineExample.java
Removed deprecated calls for extracting fields from the date.
Fixed some warnings...
Modified configuration to build widgetset for all supported browsers.
merged pull request Ivan Obradović
made mouseover popup as optional
new example case
some minor things
vaadin version update