Merge pull request #19 from Juniper/rajreddy_sandesh_log

enable logging to file when sandesh connection is not established
syslog fields are optional
Merge pull request #20 from Juniper/syslogfix

syslog fields are optional
Enable code coverage in sandesh cpp library
Merge pull request #21 from Juniper/meghb_coverage

Enable code coverage in sandesh cpp library
Do not log from static variable constuctor, as the Logger would not have been initialized yet
Merge pull request #22 from Juniper/ananth_commit

Do not log from static variable constructor, as the Logger would not have...
add / to xsl file to make it absolute. for introspect to work on IE