Thomas Graf

Fix (regression): reimplements SET SCHEMA for AS/400 (already done in GIT).

Debug: adds comments where code must be changed to avoid SQL injection attacks.

Ext: adds support for types FLOAT and DOUBLE (incomplete).

Ext: adds support for types FLOAT and DOUBLE (incomplete).

Fix? : allow explicit call of garbage collector via Java property. [srd#1088330]

Ext: warn if triggers related to field movements (PREFLD, VALFLD, POSTCHG, ...) are defined for skipped and hidden fields.

Ext: add host directive to http header : needed by Fedora clients.

Fix: ... AND a AND NOT b AND c ... was incorrectly interpreted as ... AND a AND NOT b AND NOT c ...