Fixed #520, related to #452
add recursive option to command for search in sub-dir for schema.xml
fix #519
Fixes #502

Changed Column Constant getters

Changes:
1) getConstantName() -> getFQConstantName() and returns
[TableName]Map::COL_COLUMN_NAME
2) getConstantColumnName() -> getConstantName() and returns
COL_COLUMN_NAME
3) added getUppercasedName() and returns COLUMN_NAME
Delete test.sq3
Install Behaviors with Composer
Fixed "Undefined variable" in migration:status

Fixed "Undefined variable: oldestMigrationTimestamp" when running "migration:status" without "-v"
fixed enum param/return type
php 5.6 support

Adding php 5.6 on travis ci testing
PropelColumnTypes class used by bindValue method
Merge branch 'patch-1' of https://github.com/nekufa/Propel2 into patch-1