[Release] Reverted the version of this release branch to 1.2-SNAPSHOT;
only the master should have non-SNAPSHOT versions.
[RepositoryBootstrap] Refactor: While updating the repository structure,
the code now tries forever to obtain the db lock, to avoid
synchronization problems between different application servers.
[DomainFenixFrameworkRoot] Refactor: The initialization of meta classes
and consistency predicates is now performed after obtaining the db lock.
The code also tries forever to obtain the db lock.