Fix various issues with Markdown docs

docs/useful_urls.md

Index: docs/useful_urls.md
diff --git a/docs/useful_urls.md b/docs/useful_urls.md
index e449e03600207b03cdf0e1c02f9e208e99cabec8..019092b3874e4eb701e291896f743a3d869060f0 100644
--- a/docs/useful_urls.md
+++ b/docs/useful_urls.md
@@ -5,8 +5,8 @@ This page aims to be a repository of useful links that people may find useful.
 
 ## Build Status
 
-| http://build.chromium.org/p/chromium/console | Main buildbot waterfall |
 |:---------------------------------------------|:------------------------|
+| http://build.chromium.org/p/chromium/console | Main buildbot waterfall |
 | http://chromium-status.appspot.com/lkgr      | Last Known Good Revision. Trybots pull this revision from trunk. |
 | http://chromium-status.appspot.com/revisions | List of the last 100 potential LKGRs |
 | http://build.chromium.org/p/chromium/lkgr-status/ | Status dashboard for LKGR |
@@ -19,8 +19,8 @@ This page aims to be a repository of useful links that people may find useful.
 
 ## For Sheriffs
 
-| http://build.chromium.org/p/chromium.chromiumos/waterfall?show_events=true&reload=120&failures_only=true | List of failing bots for a waterfall (chromium.chromiumos as an example) |
 |:---------------------------------------------------------------------------------------------------------|:-------------------------------------------------------------------------|
+| http://build.chromium.org/p/chromium.chromiumos/waterfall?show_events=true&reload=120&failures_only=true | List of failing bots for a waterfall (chromium.chromiumos as an example) |
 | http://build.chromium.org/p/chromium.linux/waterfall?show_events=true&reload=120&builder=Linux%20Builder%20x64&builder=Linux%20Builder%20(dbg) | Monitor one or multiple bots (Linux Builder x64 and Linux Builder (dbg) on chromium.linux as an example) |
 | http://build.chromium.org/p/chromium.win/waterfall/help                                                  | Customize the waterfall view for a waterfall (using chromium.win as an example) |
 | http://chromium-sheriffing.appspot.com                                                                   | Alternate waterfall view that helps with test failure triage             |
@@ -28,14 +28,14 @@ This page aims to be a repository of useful links that people may find useful.
 
 ## Release Information
 
-| https://omahaproxy.appspot.com/viewer | Current release versions of Chrome on all channels |
 |:--------------------------------------|:---------------------------------------------------|
+| https://omahaproxy.appspot.com/viewer | Current release versions of Chrome on all channels |
 | https://omahaproxy.appspot.com/       | Looks up the revision of a build/release version   |
 
 ## Source Information
 
-| http://cs.chromium.org/ | Code Search |
 |:------------------------|:------------|
+| http://cs.chromium.org/ | Code Search |
 | http://cs.chromium.org/SEARCH_TERM | Code Search for a specific SEARCH\_TERM |
 | http://src.chromium.org/viewvc/chrome/ | ViewVC History Viewer |
 | http://git.chromium.org/gitweb/?p=chromium.git;a=summary | Gitweb History Viewer |
@@ -45,8 +45,6 @@ This page aims to be a repository of useful links that people may find useful.
 
 ## Communication
 
-| http://groups.google.com/a/chromium.org/group/chromium-dev/topics | Chromium Developers List |
 |:------------------------------------------------------------------|:-------------------------|
+| http://groups.google.com/a/chromium.org/group/chromium-dev/topics | Chromium Developers List |
 | http://groups.google.com/a/chromium.org/group/chromium-discuss/topics | Chromium Users List      |
-| http://code.google.com/p/chromium/source/list                     | Wiki History (SVN-based) |
-| http://code.google.com/p/chromium/wiki/UserHandleMapping          | Chromium User Mapping    |