Add $ROOT_URL to allow for directory paths
Replace PHP short tags
Add Splunk index variable
Revert external resources to relative URL
Add a logstash oncall provider
Clarify need to increase PHP max_input_vars from default
Add some basic docs on using logstash
Merge pull request #5 from benohara/logstash

Add a logstash oncall provider
Clean up logstash README slightly
Update ROOT_URL to default to blank ("")
Merge branch 'master' of github.com:ematthews/opsweekly into env_changes

Conflicts:
	edit_profile.php
	phplib/base.php
	phplib/header.php
Merge branch 'master' of https://github.com/etsy/opsweekly into env_changes
Remove last instances of "<?=" for short_open_tag = Off
More php short tags updated
Reverted inline if for < PHP 5.4

Array dereferencing doesn’t work prior to PHP 5.4.
Move mysql_real_escape_string to after connectToDB

Warning: mysql_real_escape_string()
[function.mysql-real-escape-string]: A link to the server could not be
established in /app/htdoc/html/opsweekly/phplib/base.php on line 169
Merge pull request #3 from ematthews/env_changes

Environment configuration updates
- Remove all PHP short tags to make it easier to get started
- Support PHP 5.3
- Add support for URL based opsweekly teams rather than domain per team