fix license header issues

RAT report looks like:

29 1: !????? CasEditor/.classpath
30 1: !????? CasEditor/.project
31 1: !????? CasEditor/UIMA Cas Editor plugin tests.launch
32 1: !????? CasEditor/UIMA Cas Editor tests.launch
33 1: !????? CasEditor/UIMA Cas Editor.launch
35 1: !????? CasEditor/caseditor.product
39 1: !????? CasEditor/META-INF/MANIFEST.MF
56 1: !????? CasEditor/icons/application/uima.xpm
80 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/core/.cvsignore
130 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/editor/CasDocumentProvider.java
142 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/editor/package.html
159 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/editor/editview/CreateFeatureStructureDialog.java
176 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/editor/fsview/package.html
182 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/editor/outline/package.html
186 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/package.html
195 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/action/package.html
211 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/corpusview/package.html
222 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/model/TypesystemAdapter.java
234 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/property/package.html
240 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/wizards/NewNlpProjectWizardPage.java
241 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/wizards/WizardNewFileCreation.java
242 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/wizards/WizardNewFolderCreation.java
243 1: !????? CasEditor/src/main/java/org/apache/uima/caseditor/ui/wizards/package.html
265 1: !????? CasEditor/src/test/resources/ManualTests/UI_005.xcas
266 1: !????? CasEditor/src/test/resources/ManualTests/UI_006_.xmi
267 1: !????? CasEditor/src/test/resources/ManualTests/UI_007.txt
268 1: !????? CasEditor/src/test/resources/ManualTests/UI_008.rtf
284 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/core/.cvsignore
376 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/editor/package.html
417 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/editor/fsview/package.html
426 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/editor/outline/package.html
430 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/ui/package.html
439 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/ui/action/package.html
463 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/ui/corpusview/package.html
490 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/ui/property/package.html
505 1: !????? CasEditor/target/classes/org/apache/uima/caseditor/ui/wizards/package.html
512 1: !????? CasEditor/target/images/caution.svg
517 1: !????? CasEditor/target/images/home.svg
520 1: !????? CasEditor/target/images/important.svg
524 1: !????? CasEditor/target/images/next.svg
527 1: !????? CasEditor/target/images/note.svg
531 1: !????? CasEditor/target/images/prev.svg
534 1: !????? CasEditor/target/images/tip.svg
541 1: !????? CasEditor/target/images/up.svg
544 1: !????? CasEditor/target/images/warning.svg

Some of these are OK and we can just comment them, so for example all *.svg files