for to pick up grails version from grails-core/build.properties file.
translate shiro.gdoc
Merge pull request #10 from nttsoft/security/securityPlugins-shiro

translate shiro.gdoc
translated scaffolding.gdoc
Merge pull request #11 from nttsoft/scaffolding

translated scaffolding.gdoc
translate securingAgainstAttacks.gdoc
Merge pull request #12 from nttsoft/securingAgainstAttacks

translate securingAgainstAttacks.gdoc
translated introduction of "6.3 Persistence Basics"
Merge pull request #13 from nttsoft/persistenceBasics

translated introduction of "6.3 Persistence Basics"
Merge branch 'master' of https://github.com/nttsoft/grails-doc-src-ja into chapter/testing/unitFilter