* aligning uart apis with serial
* reorganizing serial/bluetooth blocks
* Autoupdate configuration for UART. (#279)
* Autoupdate configuration for UART.
* removing serial autoupdates.
* initial notes
* updated code samples
* splitting the page and preparing layout
* missing gamepad api
* added basic guitar activty md files
added initial draft of guitar lesson - in progress
* word smithing and adding detail for concepts listed
* word smithing and adding detail for concepts listed
* typo in file name
* missing macro
* replaced guitar.png with image from Julia Carlson
* adding a few pictures
* adding cards macros
* few tweaks
* image for accellerometer lesson xyz axis
* fixed the numbering buttons page
-fixed the numbering to restart for each section and asdded spaces after so they don't wrap
* adding a few video links
* pin-press - added circuit info
* more vids
* fixing latest commit
* edits to light sensor and pin-press
* updated descriptions, linking lesson
* pin-press and display-buttons updates
-added dode samples to pin press
* updated making video
* light-sensor updated numbering
* Clean up
Clean up of headings to template style, other fixes
* putting display in template
use h2 with "Step 1:" and image before text
* removed numbered lists for display & light
these topics are code complete
* more consistent formating
Acceleromenter, buttons, light sensosr
* Acceleration Lesson, added art
Lesson steps for Acceleration, art for degree F to C for Map anology+clean up of light sensor topic
* Pin Press code complete
some other basic fomats and edits
* Removed dashes in lesson names
renamed and fixed references to files with "-" in names
* rest of fles w/ dash in name changes
* fixed links to guitar activities
* updated acceleraomter section
* transparency 4 art, image text
added transarency and renamed art, added descriptive text for video and still images
* renamed art
* fixing the merge
* fixing hint
* moved step 2 outside ~hint block
* fixing snippets
* remove guitar from project list
* Duration/Materials consistent format
moved out of ~avatar block
