Add a new example of svn/client which outputs HTML from  Svn::Client::Context#log result.
Add a new example of svn/client which outputs HTML from 
Svn::Client::Context#log result.

* tools/examples/svnlog2html.rb: New example.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@858750 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion