Bug 423573 - Angles should never be integer

* Deprecate angle attribute at AbstractText and Style
* Introduce rotation attribute at AbstractText and Style
* Transfer value from angle to rotation in model layer
* Added test that reading of old diagrams transfers data

Change-Id: I62dba570f595fbc3c2cdd32c284ce009c068950c
22 files changed
tree: 7296815b8e8684111667283e143d9eb7c39da940
  1. CONTRIBUTING.md
  2. examples/
  3. features/
  4. plugins/
  5. releng/
  6. tests/