Fix broken anchors

refer to issue #68
https://github.com/GoogleChrome/devtools-docs/issues/68
Merge pull request #70 from wonglok/master

Fix broken anchors
added expand/collapse node and its children with Opt+Click on arrow
Merge github.com:GoogleChrome/devtools-docs into shortcuts-updates

* github.com:GoogleChrome/devtools-docs:
  optmized images
  workspaces in TOC
  commits inbound from p4
  debugger protocol. protip on sniffing it. images for that. fixing bad links.
  adding devsite versions of Workspaces docs
  Fix broken anchors
  updated images for overview devtools page
  base target top for framebox.
  details on port fowrading.
  gh-29 Remove comment left over in the last commit.
  gh-29 Add virtual host mapping section in remote debugging.
redirect for elements-styles as well.
export path fix from Eric Beach. thx.
added expand/collapse node and its children with Opt+Click on arrow
no more experiments.
more docs for WS.
those those
devtools-frontend was deprecated.
ssl
fix some paths in contributing.
image updates.
Merge github.com:GoogleChrome/devtools-docs into shortcuts-updates

* github.com:GoogleChrome/devtools-docs:
  image updates.
  fix some paths in contributing.
  ssl
  devtools-frontend was deprecated.
  those those
  more docs for WS.
  no more experiments.
  added expand/collapse node and its children with Opt+Click on arrow
  export path fix from Eric Beach. thx.
  redirect for elements-styles as well.
modified the shortcut ctrl+` to be in all panels, changed to say Open console
flamechart text update
added alt+w to close active tab
Merge github.com:GoogleChrome/devtools-docs into shortcuts-updates

* github.com:GoogleChrome/devtools-docs:
  flamechart text update
changed ctrl+` back to focus the console since it does both