title: Add/remove breakpoints in Ace editor by clicking the gutter space
body: <p>Does anyone know of an Ace editor API that enables adding or removing breakpoints by clicking the gutter in the editor window? I spent more time than I care to admit looking for this functionality in the <a href="https://ace.c9.io/#api=&amp;nav=api" rel="nofollow">API reference</a>, source code, forums, blogs, etc. and the best information I found so far is <a href="https://groups.google.com/forum/#!msg/ace-discuss/sfGv4tRWZdY/ca1LuolbLnAJ" rel="nofollow">this answer</a> from May 2012. It's a good starting point, but the breakpoints don't move when new lines are inserted in the code above them. I find it hard to believe that Ace doesn't include this in the standard feature set by now, as it's something we've come to expect in any decent code editor and the Cloud9 environment supports it.</p>