Issue_75 Default Compiler Configuration

Added global default compiler configuration (Windows/Preferences/ECL).
Auto finds client tools in default location.
Added logback.xml configuration file to control logging in Juno
Added sign.bat

Fixes Issue_75

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #79 from GordonSmith/Issue_75

Issue_75 Default Compiler Configuration

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>