Sluggable failing tests (no. queries and regex)
Port new sluggable behavior

Fixes #371 where it reduces the number of queries to generate a
unique slug to 3, and conditionally generates the findOneBySlug
method when the slug column is not with the default name "slug".
Update AbstractFormatter.php

Clear relations of the currentObject before reuse it (see https://github.com/propelorm/Propel2/issues/599)
Fixed #568 - Fixed index schema migration functionality
Merge pull request #603 from sbarex/master

Update AbstractFormatter.php
Merge pull request #376 from mhitza/fewer-slug-queries

Sluggable behavior forward port
Made Sluggable port #376 compatible with all databases
Fixed 'object' column type to allow saving the same object.
Fixed #477, Fixed #607, Fixed #604, Fixed #610
Fixed #609 - remove setters when readOnly
Fixed #597, fixed broken joinType comparison
Merge pull request #612 from 'stevleibelt/master'
Merge pull request #611 from marcj/master

Fixed #477, Fixed #607, Fixed #604, Fixed #610
Added tests for GraphvizGenerateCommand
Added tests for migration commands
Fixed GraphvizManager with displaying foreign key relations
Added tests for SimpleEnglishPluralizer
Added test for DatabaseReverseCommand
Improved the description of some commands.

Removed "input-dir" option in DatabaseReverse command as it wasn't in use

Conflicts:
	src/Propel/Generator/Command/DatabaseReverseCommand.php
	src/Propel/Generator/Command/MigrationDiffCommand.php
	src/Propel/Generator/Command/SqlInsertCommand.php
Setup now the fixtures during the test suite to have more realistic code coverage values.

Changed the behavior of TestCase::getSql() and adjusted therefore some tests.

Conflicts:
	src/Propel/Generator/Reverse/SqliteSchemaParser.php
	tests/Propel/Tests/Generator/Behavior/AggregateColumn/AggregateColumnBehaviorTest.php
	tests/Propel/Tests/Generator/Behavior/Sluggable/SluggableBehaviorTest.php
	tests/Propel/Tests/Generator/Builder/Om/QueryBuilderTest.php
	tests/Propel/Tests/TestCase.php