co♻e: unittest framework for CODESYS

v1.0.0.0 first commit

CfUnitVerifier result;

| ======================================
| Failed tests : 92</Entry>
| Successful tests: 91</Entry>
| Tests: 183</Entry>
| Test suites: 14</Entry>
| ==========TESTS FINISHED RUNNING==========

Added several new features/improvements;
* autodetect and skip an empty testsuite,
* AssertArray2dEquals_REAL(),
* AssertArray2dEquals_LREAL(),
* AssertArray3dEquals_REAL(),
* AssertArray3dEquals_LREAL(),
* TEST_FINISHED_NAMED(),
* Removed I_XmlControl and I_FileControl interfaces,
* FB_XmlControl,
* Renamed all FB_XmlControl methods
* FB_FileControl,
* FB_StringBuffer
* E_XmlError,
* Renamed External support into CODESYS Support

Commit of CfUnit v0.9.0.0

Better/more easy to use API for CfUnit according to issue #29 "Reduce boilerplate code required for writing tests" and issue #26 "Boilerplate reduction and using a TEST_FINISHED method".

Also solved multiple issues:

Issue #27 "Multiple assert instances in one test suite causes issues"
Issue #25 "implicit typecasting throws errors + solution"
Issue #23 "Usage of FB_ADSAssertMessageFormatter.LogAssertFailure should warn"
Issue #21 "Remove unused code"
Issue #19 "Rename GVL_Constants"