Merge pull request #31 from alexung/alex_github_api

Changed the params
Add nested commits under repo routes
Add display for index of repos with names and (currently) links to repos on github, need to change these to show routes
Add claification of variable names in index route
Add show route api call for repo to display commits
Adjust repo index for search parameters
Merge remote-tracking branch 'origin/master' into json_success
Merge pull request #32 from alexung/repository_api

Repository api
established contact with API through form
merged
Merge pull request #33 from alexung/search_feature

Search feature
Testing search