Some changes to verbose handling because the compile, import and new tools now uses the standard ceylon tool base class, so it inherits the default "verbose" option implementation (ceylon/ceylon-runtime#26)
Some changes because the doc tool now uses the standard ceylon tool base class (ceylon/ceylon-runtime#26)
Setup and execution of tools can now be separated so the caller can act on the arguments being set for the target tool (ceylon/ceylon-runtime#26)
Launcher now takes into account the --verbose option of the tool being executed to set up the logggers appropiately (ceylon/ceylon-runtime#26)