Added Hypersonic embedded database for JDBC testing. Enabled JDBC testing in build.properties to use Hypersonic by default. Added license file; corrected file extensions of two others.
Added Hypersonic embedded database for JDBC testing. Enabled JDBC testing in build.properties to use Hypersonic by default. Added license file; corrected file extensions of two others.


git-svn-id: 6c0206e3b9edd104850923da33ebd73b435d374d@625363 13f79535-47bb-0310-9956-ffa450edef68

tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki