Include caller info to false by default
Read custom JSON fields from configuration
Added customs json fields
Unit test for news json custom fields
updated documentation for custom fields and syslog appender
Merge pull request #16 from heymjo/master

shaded jars should be removed from <dependencies>
Merge branch 'add-field' of https://github.com/braoru/logstash-logback-encoder into braoru-add-field

Conflicts:
	README.md
	src/main/java/net/logstash/logback/LogstashFormatter.java
	src/main/java/net/logstash/logback/encoder/LogstashEncoder.java
Update .gitignore
Updating contributors
[maven-release-plugin] prepare release logstash-logback-encoder-2.2
[maven-release-plugin] prepare for next development iteration
Update README.md
Added new test case for testing xml configuration. Userd ${java.io.tmpdir} as reference for test log file creation.
Merge pull request #18 from mpecan/master

Added test case for logback configuration
Tidy-up
Update contributors
[maven-release-plugin] prepare release logstash-logback-encoder-2.3
[maven-release-plugin] prepare for next development iteration
Update README.md
logback dependencies should be optional