Update README.md

Merge branch 'master' of https://github.com/jtwig/jtwig

Merge branch 'master' of https://github.com/jtwig/jtwig

Merge pull request #292 from lyncodev/upgrade-servlet-version

Upgrade servlet-api version to 3.1

Merge pull request #286 from lyncodev/refactor-on-tests

Code refactor

Merge pull request #283 from lyncodev/gradle-snapshot-build

Signing artifacts ready to go to maven central

Merge pull request #270 from thomas-p-wilson/fix-enum-array-eval

Pursuant to #267, arrays passed to a loop are now evaluated properly

Merge pull request #282 from lyncodev/gradle-snapshot-build

Releasing only when branch and non tagged

[maven-release-plugin] copy for tag jtwig-3.1.1

[maven-release-plugin] copy for tag jtwig-3.1.0