removed a temporary file left behind
implemented configuration closes #10, implemented Asset in java and scala, not yet completely tested #5 #4 and also draft implementation of calltemplate #6 #7 #8
moved Config in the core, closes #10, implemented but not yet tested calltemplate #6 asset api #4 url #7 and blob #8
completed blog url rendering, with some refactoring to support multiple parameters, and new content for the sample site, closes #8