removed use of ClassTag (current implementation works without it)
rename module into Mod
rename file Component.scala to Mod.scala
rename Component class and object to Mod. Make use of global variables in Mod explicit.
increase test unit coverage
clean-up more reports from the static checker
add tabulate with two parameters to match functionality of AVec utility
add implicit conversions from scala built-in types to UFix and Bool
Merge pull request #27 from smirolo/master

All my todo items after code review with Jonathan