Updated images, links and code.

This partially resolves #8.

Thanks to Vedant and Krishna for the contribution. With this commit, all existing and new beagleboard.org software projects will now be added to Projects section.

Updated simpPRU Documentation

See merge request docs/docs.beagleboard.io!17

Initial rst draft of Mark A. Yoder 's BealgeBone CookBook

See merge request !16

Add BeagleConnect

See merge request docs/docs.beagleboard.io!14

Added the simppru documentation

See merge request !15

Add BeagleBone Blue

See merge request !13

Minor PocketBeagle fixes

See merge request !12

Pocket beagle

See merge request !11

Add cape interface spec

See merge request docs/docs.beagleboard.io!10

Add git usage guidelines

See merge request docs/docs.beagleboard.io!9

Fixes to support/getting-started

See merge request !8

Update beaglebone black files

Closes #3

See merge request docs/docs.beagleboard.io!7

support clean-up

See merge request docs/docs.beagleboard.io!6