added tab separated report format that will go to stdout on SIGUSR1
adds a testcase to verify that a pipe delimited report is generated from the JSON data collected by PipelineConfig::allReportsMsg
Merge branch 'dev' into features/issue_176
refactored out the definition of SIGUSR1 into a build constraint file for windows and unix
added a notify hook to capture SIGUSR1
added a boolean flag in the global configuration to enable reports to stdout
added documentation for the new stdout_report command line switch
refactored the heka.all-report to emit *only* to stdout on SIGUSR1 on Unix or signal 10 on Windows
updated docs to include a sample pipe delimited report
dropped command line options for stdout_report
updated as per review comments
got rid of some debugging comments
Merge pull request #247 from mozilla-services/features/issue_176

Features/issue 176