Update URLs pointing to download.01.org.

There has been a big reorganization as discussed in
https://lists.crosswalk-project.org/pipermail/crosswalk-dev/2014-March/001215.html.
In summary, a URL such as

  /releases/android-x86/canary/crosswalk-5.6.7.8-x86.zip

is now hosted at

  /releases/crosswalk/android/canary/5.6.7.8/x86/crosswalk-5.6.7.8-x86.zip

Similarly, Tizen RPMs have undergone the following change:

  /releases/tizen-mobile/canary/crosswalk-5.6.7.8-0-i686.rpm

is now

  /releases/crosswalk/tizen-mobile/canary/5.6.7.8/crosswalk-5.6.7.8-0-i686.rpm

Additionally, the Android URLs are going to change again starting from the
next canary and next beta -- the main zip files are going to be
architecture-independent, like this:

  /releases/crosswalk/android/canary/5.6.7.9/crosswalk-5.6.7.9.zip

This adjustment has not been done because these new binaries have not been
produced yet, though.

The new layout also allows us to simplify getXwalkDownloadUrl() by making
the |version| argument mandatory, since each binary is in a separate
directory now.
Merge pull request #82 from rakuco/new-download01org-layout

Update URLs pointing to download.01.org.
Fix how scripts detect the gollum process

Use pgrep to find the gollum process ID, as it's much more reliable
than ps.
Merge pull request #83 from townxelliot/gollum-script-fix

Fix how scripts detect the gollum process
Update download URL generation algorithm
Promote newer release versions
Merge pull request #84 from townxelliot/download-links-1282

Download links
Fix link to Android SDK setup instructions
Merge pull request #85 from townxelliot/android-sdk-link-1290

Fix link to Android SDK setup instructions
Update versions for current release
Update available versions for each channel; amend download table

The release notes row no longer makes any sense at the bottom
of the download table, as the major version for Android beta
is different from the major version for Tizen beta. Moved it
into a bulleted list instead.
Merge pull request #86 from townxelliot/update-versions

Update versions
Remove download links from channels viewer

The download links don't point at valid downloads any more;
and the version available for download doesn't correspond to the
channel/branch anyway (e.g. the branch shown for Tizen beta is 5
but we don't have any Tizen beta 5 downloads).
Remove inline styles from channels viewer HTML
Fix broken internal anchor on Downloads page
Merge pull request #87 from townxelliot/channels-viewer-edits

Channels viewer edits
Remove Tizen beta downloads from Downloads table
Merge pull request #88 from townxelliot/remove-tizen-betas

Remove Tizen beta downloads from Downloads table
Fix Tizen 2.x stable version numbers
Squeeze left-hand column to 220px

This necessitated making the title of one of the Tizen IVI
tutorial pages shorter.