Fixed the bug which was preventing border to appear after clicking arrow in examples.
Merge branch 'master' of https://github.com/sahilshekhawat/sympy_gamma
added random example to button
made 'random example' button clickable in Firefox.
Styled the anchor tag to look like button
made 'clear-recent' button of same width as 'random-example'
Fixed the issue of cross browser styling of button and anchor tag
Fixed firefox issue with random example button
Add app.yaml to .gitignore
Merge pull request #43 from lidavidm/travis

Test with Travis-CI
Merge pull request #47 from sahilshekhawat/firefox_clickable

Made random example clickable in Firefox.
Update Google App Engine SDK version for Travis
Merge pull request #50 from lidavidm/update_travis

Update Google App Engine SDK version for Travis
Regenerate encrypted credentials for main repo
Explain Travis-CI credentials in README
Merge pull request #52 from lidavidm/update_travis_key

Update Travis key
Fix #28 by generating unique variables of substitution
Update to latest SymPy
Add steps for new integration rules in SymPy.

Fixes #36 and fixes #27.
Focus input field on page load