[Chromoting] Move webapp files based on new directory structure:

remoting/webapp/crd/html       -- CRD-specific HTML/CSS
remoting/webapp/crd/js         -- CRD-specific JS
remoting/webapp/crd/resources  -- CRD-specific resources

remoting/webapp/base/html      -- common HTML/CSS
remoting/webapp/base/js        -- common JS
remoting/webapp/base/resources -- common resources

The only content changes are in the GYP/GYPI files and in template_main.html. These files needed to be updated to use the new file paths.

BUG=
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Review URL: https://codereview.chromium.org/671513008

Cr-Commit-Position: refs/heads/master@{#300806}
120 files changed