Test to demonstrate circular serialization issues.

Deserialization of objects with mybatis proxies fails when having circular
references.
Deserializing cyclic object graphs #59
Merge pull request #1 from FrantaM/serializecircular

Deserializing cyclic object graphs #59
Revert shouldSerizalizeADeserlizaliedProxy type-test, because there are no unloaded properties in the proxy. This means that the proxy can deserialize the wrapped Object.
Add test to prove issue with OGNL 1.6.9
Test for discarding collection items.
Failing test for issue #61. This is a regression caused in 448 (see it
in gcode).
Added @Ignore to failing test. Related to #48
Fix for issue #61
Fast installation instructions
Fixes #65 Property reference breaks when its name partly matches with 'item' or 'index' variable.
Trying to fix wrong ognl reference in the snapshot.
Fixes #64 <where /> does not remove the first AND or OR if it's followed by a tab character.
Minor optimization on TrimSqlNode and it's subclasses.
Added a failing test case for #67.
Fixes #67 BindingException is thrown when a collection which contains null is passed as the 'collection' of foreach tag.
Japanese translation. [ci skip]
Passing test for #69 [ci skip]
fixes mybatis/migration#1 Drivers loaded at runtime via driverClassLoader were not registered correctly.
Added DriverProxy#getParentLogger() which is required in jdk7.