Remove samples.json from version control
Move `Samples::DATA` constant to `Samples.cache` method
Generate samples.json before building gem
Merge branch 'master' into drop-samples.json
Make sure samples.json is present before running tests
Removing docs about generating samples
Removing unnecessary Travis build step
Is this still needed?
Preferred syntax
Merge pull request #1542 from github/travis-updates

Cleaning up travis.yml
Merge branch 'master' into drop-samples.json

Conflicts:
	.travis.yml
Merge pull request #1537 from github/drop-samples.json

Ignore samples.json
Set 'lexer: GAP' for GAP

My Pygments patch adding support for GAP was merged in April, and I
verified that it is live on GitHub.
Add GAP .tst extension plus two sample files
Add heuristic distinguishing GAP and Scilab .tst files