logging: fix conflict with syslog
Merge pull request #270 from pagespeed/jefftk-fix-syslog-compatibility

logging: fix conflict with syslog
visual updates to readme

- project logo
- add link to binary
- syntax highlighting for configs
beacon: prepare for handling POST requests
beacon: handle POST requests as long as nginx doesn't use a temp file
Merge pull request #269 from pagespeed/jefftk-handle-posts

beacon: handle POST requests as long as nginx doesn't use a temp file