TODO: Rename package (see #3176)
refs 3176

- Remove @ConQAT tags from test source
- Add missing @ConQAT where needed
- No functional changes, keeps code existing ratings

Use more meaningful and consistent names.
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Use static imports.
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Please fix your SVN configurations!

See https://af3-developer.fortiss.org/projects/autofocus3/wiki/Developer_Installation, Section "Initial Workspace Content Check-out", §6.

- Missed a TODO: Removed internalToScreenDimension (not used anywhere).
refs 2983

- 2 additional static imports.
- No static import of ZoomUtils.screenToInternalDimension. The method name exists in ZoomUtils and ZoomUiUtils. Same naming due to same functionality, use is context-dependent (UI/non-UI).
refs 2983

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Class is used by exploration.alg plugin (to be included into next release).

Since its methods are generally applicable to migrate models based on concepts introduced in tooling.base, this MigrationUtils should remain (as a counterpart to tooling.kernel's MigrationUtils).
refs 2490

Remove further unused methods in BaseModelElementUtils
 - nonHiddenSpecifications()
 - getConnectedElements()
refs 2490

(Removed erroneous and unused method BaseModelElementUtils.getSuccessorConnector())
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