Link to the building doc fixed.
Update release notes for 1.1.2

Added note for LOGBACK-959
Merge pull request #175 from maximesinclair/master

Link to the building doc fixed.
LOGBACK-960 Prevent a possible NPE in SyslogAppenderBase.close() when the SyslogOutputStream is null (due to a host lookup failure for example)
LOGBACK-960 Update release notes
Update release notes: swap NPE with NullPointerException for consistency and fix a couple typos
Use an abstract method to create the SyslogOutputStream that subclasses can override
Merge pull request #179 from ericdahl/logback-960

LOGBACK-960 Prevent a possible NPE in SyslogAppenderBase.close()
LOGBACK-268 - Fair locking in OutputStreamAppender

Fix LOGBACK-268 by using a fair ReentrantLock (instead of object
synchronization).
Merge pull request #178 from pkwarren/fair_locking_appender

LOGBACK-268 - Fair locking in OutputStreamAppender
Updating release notes for LOGBACK-890
Merge pull request #180 from mveitas/master

Use an abstract method to create the SyslogOutputStream that subclasses can override
Add CONTRIBUTING.md

Added a file to describe general guidelines for submitting pull requests.
Update CONTRIBUTING.md
Update CONTRIBUTING.md
Update CONTRIBUTING.md
place lock call inside try block
Added ServiceLoader capability for Logback initialization.
Documentation, Unit Testing included.
move lock call before the try block
correct link to LOGBACK-954