rename self.mod_name to self.full_mod_name in EasyBlock
keep track of short/long mod name in EasyConfig instance, make ActiveMNS a singleton
fix ActiveMNS method that obtains a fully parsed easyconfig if required
use active module naming scheme when reporting missing deps (and make error message cleaner)
automagically enable ignore-osdeps during dry-run or dep-graph
move ModuleNamingScheme class into dedicated mns.py module
move det_toolchain* functions into module_naming_scheme.toolchain module, use definition method in Toolchain class
fix last bunch of minor remarks