title: How do I run Sonar Runner with custom property file name? Example: sonar-project-abc.properties
body: <p>I am trying to run Sonar on my javascript project
  but its giving me an error. Can you please help me out as how to run Sonar with custom property file name </p>
  
  <pre><code>C:\sonar-runner-2.4\bin\..
  SonarQube Runner 2.4
  Java 1.8.0_25 Oracle Corporation (32-bit)
  Windows 7 6.1 x86
  INFO: Runner configuration file: C:\sonar-runner-2.4\bin\..\conf\sonar-runner.pr
  operties
  INFO: Project configuration file: NONE
  INFO: Default locale: "en_US", source code encoding: "windows-1252" (analysis is
   platform dependent)
  INFO: Work directory: C:\Users\FS00341311\Workspaces\8\app\usage\.\.sonar
  INFO: SonarQube Server 5.2
  20:51:13.338 INFO  - Load global repositories
  20:51:13.464 INFO  - Load global repositories (done) | time=124ms
  20:51:13.477 INFO  - User cache: C:\Users\FS00341311\.sonar\cache
  20:51:14.531 INFO  - Load plugins index
  20:51:14.537 INFO  - Load plugins index (done) | time=6ms
  20:51:14.734 INFO  - Process project properties
  INFO: ------------------------------------------------------------------------
  INFO: EXECUTION FAILURE
  INFO: ------------------------------------------------------------------------
  Total time: 2.113s
  Final Memory: 6M/73M
  INFO: ------------------------------------------------------------------------
  ERROR: Error during Sonar runner execution
  ERROR: Unable to execute Sonar
  ERROR: Caused by: You must define the following mandatory properties for 'Unknow
  n': sonar.projectKey, sonar.projectName, sonar.projectVersion, sonar.sources
  ERROR:
  ERROR: To see the full stack trace of the errors, re-run SonarQube Runner with t
  he -e switch.
  ERROR: Re-run SonarQube Runner using the -X switch to enable full debug logging.
  </code></pre>