pom.xml: ignore README.md for rat

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>
.gitignore: ignore release plugin files

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>
embeddeddb: add logging when stopping dbs

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>
pom.xml: ignore Stringtemplate files for RAT

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>