Merge pull request #483 from Scene53/1.1.x

1.1.x
tabs -> spaces
Merge pull request #490 from bodgit/stomp

Enhance stomp input/output with an optional vhost param.
Merge pull request #484 from evanlivingston/sqlite

Sqlite
- add documentation for sqlite input w/ example
- style cleanup
- exponential backoff when no new rows are found
- store columns as fields
- set default position to 0 so we don't miss the first row of a log
table
- remove debug print
Merge pull request #458 from pletisan/master

When checking status of daemon, exit with proper exit code.
Merge pull request #424 from bfulton/master

add metaevent filter
Merge pull request #439 from MattiaBeast/master

New filter plugin "Advisor" and output "S3"
Merge pull request #432 from piavlo/feature/base-filter-changes

enhanced base filter logic
Merge pull request #420 from piavlo/filter/range2

Filter/range
Merge pull request #389 from zimride/improve-mongodb-output

Support mongoDb replica sets and local mongo _id
Merge pull request #480 from wiibaa/output-mails

Allow @message, @source etc in match for email output
Merge pull request #488 from bwmeier/master

Update windows hack in JRUBY-6970 patch to handle case insensitive roots
Remove date filter from haproxy parsing example.
- upgrade jruby
LOGSTASH-1106 Adding additional file output path option documentation. This is to highlight functionality of the path option that was not previously documented, and to prevent additional pull requests for implementation of date-based log rotation.
Make event specs pass under event_v1

This required implementing Event#append. Some semantics have changed.
"@message" and "@tags" are no longer handled specially (mainly because
they aren't described by event v1 schema). This likely has broken the
multiline filter tests (intentionally). The multiline filter will need
to have custom merging of certain fields (like joining message with
newlines instead of putting it all in an array)
- all event tests now passing with event v1
- make event v1 the default.
- grok tests now pass under event v1
- Added 'overwrite' setting to allow %{FOO:message} to overwite
  'message' field (or any other field.