Fixed 17106: Remove many similar error message which are not needed with an
explicit entry but can be handled by the ErrorTextParser code using a single
message template.
Also activate ErrorTextParserTest.notNull testcase at least on oracle (that
functionality is still missing when using postgresql)

Fixes issue 17063: Sales invoice: Create lines from is not working well

Fixed issue 17102. In case the organization is changed, all combos will be recalculated.

Two performance optimizations done to the FIC calls in CHANGE mode:
- When a callout response corresponds to a combo-type column, the combo will no longer be recalculated
- When a callout is fired more than once in the same request, its instance will be reused

fixed bug 17087: Error when creating a note

Fixed 8346: Remove support for srcClient
srcClient has been obsoleted with start of 2.50 where customizations should be
done via modules but still carried arround for the 2.50 cycle to ease slow
migrations of people using now. Now for 3.0 its time to remove it.

Fixed issue 16788. Callouts can now set auxiliary input values.

[cleanup] Remove old soap webservices provided by core
- remove all soap imlementations
- remove deploy+undeploy files from src/ of core
- remove special handling of <core>/src/*.wsdd from WebServiceAdmin

Fixes issue 16516: If I type at normal speed in Quick Launch text box, the window does not open

Fixes issue 16621 Selector item does an unnecessary count operation on server