Adjustments to run on iSeries

Use QSYS2 objects instead of SYSIBM objects to get column names and
procedure parameters.
Clarify UnsupportedOperationException
Additional Adjustments for iSeries

Fix table names qualified by a schema (library)
Acceptance Test Improvements
Remove DECFLOAT
Merge pull request #1 from mikepatrick/iSeriesDbFit

Create CdsDbFit
Re-introduce DECFLOAT

JDBC driver issue was remedied by upgrading to newest version.
Create DB2iSeriesEnvironment

Separate Acceptance Tests
Remove iSeries specific syntax from DB2Tests
Revert DB2Environment.

Changes replaced by DB2iSeriesEnvironment
Remove properties files
Add DECFLOAT
Small cleanup tasks

Remove additional properties files and revert DB2Environment
Remove remaining iSeries types from DB2Environment
Whitespace issue
Merge pull request #2 from mikepatrick/iSeriesDbFit

Separate iSeries DB2 environment from Windows/Linux DB2 environment
Remove properties file
New DB2i classes
Merge branch 'iSeriesDbFit' of https://github.com/mikepatrick/iSeriesDbFit into iSeriesDbFit
Remove DB2i tests
Merge pull request #3 from mikepatrick/iSeriesDbFit

Remove DB2i Acceptance tests.  DB2 acceptance tests may be used.