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>
Removed native result view.
Improved opening WUs into the editor (no more temporary files).
Fixed auto detect eclcc, when eclcc did not exist.
Fixed issue with jarsigner 1.7 defaulting to different algorithm which eclipse does not support.

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>