added Finder::guessMimeType
ModFileservModule now uses guessMimeType
added twitter bootstrap to the demo app with all the support this needed
all module templates now can use {{get_someMethod}} to access get_someMethod() in the View
all module templates now can use {{get_modelDebug}} to get a depth-limited printout of the current page model
Page module templates now can use {{get_withRoot_fieldName}} to get a merged value from current page object and root merged