Satrting to migrate the naming convetion for table class names to use
plural, so it better matches the table itself
Chaging the table name convention usage in HasMany
Migrating HasOne to use the new table name convention
Migrating BelongsToMany to use the new table name convention
Migrating TableRegistry to use the new table name convention
Changin the Table class to work with the new naming convention
Fixing BelongsToMany tests
Fixing the rest of the test cases
Merge pull request #2290 from cakephp/3.0-tables-new-convention

3.0 - Relaxing naming conventions for Table classess