upgrade bower version make component move to bower_component
www: add global alert

alert service can be called from anywhere do display an alert bar on top
of the window.

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
modernization of buildscripts

upgrade to karma to 0.10
upgrade grunt-watch -> no need for 2 extra parallel
grunt command for karma and livereload
added incremental build for coffee scripts. only modified files are recompiled
Suppress depend on grunt-hustler in favor of equivalent single module (ngTemplateCache->html2js)
put requiregen task in its own grunt module
fix minor bootstrap move issues
enable tests for prod build as well