org.webosports.app.pdf: Refactor into webOS Ports code style

Signed-off-by: Josh Palmer <jpalmerwatkins@me.com>
Merge branch 'master' of github.com:webOS-ports/org.webosports.app.pdf
org.webosports.app.pdf: Initial onyx work

* Replace sidebar controls with their onyx equivalents

Signed-off-by: Josh Palmer <jpalmerwatkins@me.com>