Remove useless sql script for counting example queries.
Implement a first wrapper for auto generating queries. A first generator for
token based search is already implemented.
Use spring for init the QueriesGenerator object.
also use beans for init the query builder objects
Avoid empty strings in auto generated tok queries.
Added an additional abstraction layer for example queries and implemented a
generator for simple regex queries.
Add license header to AnnisConstants.
Enable automatic example query generating for the annis shell.`
Also annis-admin.sh support generating example queries.
Always generate example queries when the flag is set.