Update composer.json

Changing minimum-stability to stable as recommended by getcomposer.org
Updates to contextActivity handling
Updates to contextActivity handling
Merge pull request #58 from LearningLocker/master

Master -> develop
Improved the expanding verb link
Merge pull request #59 from LearningLocker/develop

Develop
Hotfix to stop page crashing if verb undefined

Worth noting this view and all hardcoded graphing will be replaced
before v1.0
Merge pull request #62 from LearningLocker/master

Merge latest hotfix
Fixed ticket #56
A temp fix to handle contextActivities grouping being in array
Merge pull request #68 from LearningLocker/develop

Develop
Temp hotfix for verb issue if verb display is a url
Merge pull request #72 from LearningLocker/develop

Temp hotfix for verb issue if verb display is a url