added instructions for fetching changes
added git challenge
added link to week 6 curriculum
added solution file
modified to release format
added link section
merged most recent remote
modified commenting section
added descriptions to weeks
removed review on solo challenges
updated spelling of responsibility
added to release structure
removed duplicated challenge
removed git challenge
replaced local references with phase 0 handbook master
removed references folder
removed references to github app
made optimize learning optionality clear
final challenges
merge