Änderungen

Summary

1. fixed null-warnings (commit: 285f994) (details)
2. fixed #795 do not report error when open the git change file (commit: bd2ad28) (details)

Commit 285f994eaa31bd98fc9b3ca0939f6e677900aa73 by peter.peq fixed null-warnings (commit: 285f994)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstscript/attributes/AttrExprExpectedType.java (diff)
Commit bd2ad284b99c2b8b10bcfd9781483c10d1eec231 by peter.peq fixed #795 do not report error when open the git change file (commit: bd2ad28)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/BufferManager.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/WFile.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/ModelManagerImpl.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/requests/RunMap.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/LanguageWorker.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/requests/MapRequest.java (diff)
	de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/utils/FileUtils.java (diff)