latest metadata changes from Winter '15
support ChartDateFormat URL parameter to support locale formating
two helper routines made global to support cloned Sites pages in user's org.
support to specify firstDay of week in calendar with label.labelCalendarFirstDay
all hardcoded strings converted to either system field labels or custom labels, to support localization.
all hardcoded strings converted to either system field labels or custom labels, to support localization.
refer to images with http, not https.  added thank you to Wingu for Spanish translation.
Spanish translation files
new labels to support localization
spanish translation files
latest metadata changes for Winter '15