Fix typos in tutorials

See merge request !217

Move labels closer to included sections to help associate them

See merge request !215

Sphinx 1.7.9 seems to fail to associate labels with included sections.

Fix incorrect quoting of source code

See merge request !214

Use common sections with includes and parameters for consistency

See merge request !212

Make git ignore __pycache__ directories

See merge request !213

Mention command line options to keep downloaded files

See merge request !210

Update table, add link to datasheet

See merge request !207

Add a tutorial to show how to use resource bundles

See merge request !203

Remove unused module import from the main program.

Resolve "Add instructions for compiling devkit kernel"

Closes #67

See merge request !190

Add a low-level guide to reading touchscreen events

See merge request !202

Don't explain the build-aux directory at this point

See merge request !206

imx8: Add a link to the printable case

See merge request !205

Add guide to testing Bluetooth pairing with another device

See merge request !201

Move low level I/O information into the devkit docs

See merge request !200