git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14826 71c3de6d-444a-0410-be80-ed276b4c234a

and invoke this from Queue.add().  Hudson registers a listener to write what
triggered each build into the console output.
BuildableItem.scheduleBuild() now takes triggeredBy parameter,
ParameterizedProjectTask stores triggeredBy value for scheduled tasks,
and Trigger has scheduleBuild convenience methods to use its descriptor's
displayName as the triggeredBy value.


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14823 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14773 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14090 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@5213 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1806 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1644 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1523 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1388 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1276 71c3de6d-444a-0410-be80-ed276b4c234a