Added Request Logging and example to demo spark.gsp
Request Logging mixin functionality to give user more control of what to log and when
Very basic trace stack
Merge pull request #10 from mattgode/master

Added support for nested route declarations
Merge branch 'master' of git://github.com/jchoigw/sparkgs

Conflicts:
	demo/spark.gsp
	src/main/java/sparkgs/SparkGSFile.gs
Logging supports lazy message construction now.

Log some basic request info as well
Merge branch 'master' of github.com:sparkgs/sparkgs

Conflicts:
	demo/spark.gsp
	src/main/java/sparkgs/SparkGSRoute.gs