Remove reference to SNAPSHOT version in  Maven Plugin IT tests (in the template files)

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Fix the release process

When committing updated pom files, the selection produces errors. Using git add -A instead
A skipTests flag was missing.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>