exclude everything from being served as static. this avoid confusions in static pages not bing decorated. this can be fine tuned later.
rename config file from __config.groovy to __glide.groovy. basic version of uploading of app. update sitemesh config merge test to reflect the fact that mappings elements are merged while exludes are overwritten. this is due to ho ConfigObject.merge() works, it meges the maps. Bumped appengine lib version to 1.7.4