Changed css naming ><
Merge pull request #298 from weiqingtoh/feature/course-groups

Another naming issue - CSS related
Fix typo in .env_sample file for the AWS secret access key variable

References Coursemology/coursemology.org#287
Merge pull request #299 from fonglh/dotenv-typo

Fix typo in .env_sample file for the AWS secret access key variable
Fixed mobile chrome bug for rich text editor
Merge pull request #301 from llja0112/mobile-chrome-bug-fix

Fixed mobile chrome bug for rich text editor
limit python eval result length
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy