Updated all the credits images.

The credit images have been updated. Versioning has been removed from
the credits, to reduce the amount of time spent per release cycle
focusing on trivial components. The new images have been optimized to
reduce disk space usage.

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>
Optimized all images prepping for the next release.

All images have been put through various optimization processes in order
to minimize space usage.

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>
Removed padding from WebView XML files. Moved ADMOB_ID to strings.

WebView padding is now defined programatically within the CSS of the
loaded HTML files. In addition, the admob_id can now be defined in the
strings.xml file.

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>
Removed raw/ directory from gitignore.

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>