Cleanup, some docs

pom.xml

src/main/java/org/caosdb/server/CaosDBServer.java

...ava/org/caosdb/server/database/DatabaseAccessManager.java

src/main/java/org/caosdb/server/terminal/CaosDBTerminal.java

.../java/org/caosdb/server/terminal/DatabaseAccessPanel.java

src/main/java/org/caosdb/server/terminal/EntitiesPanel.java

src/main/java/org/caosdb/server/terminal/MainWindow.java

...in/java/org/caosdb/server/terminal/OutputStreamPanel.java

src/main/java/org/caosdb/server/terminal/StatComponent.java

src/main/java/org/caosdb/server/terminal/StatLabel.java

src/main/java/org/caosdb/server/terminal/StatTable.java

src/main/java/org/caosdb/server/terminal/StatsPanel.java

src/main/java/org/caosdb/server/terminal/SystemErrPanel.java

src/main/java/org/caosdb/server/terminal/SystemOutPanel.java

...g/caosdb/server/transaction/AccessControlTransaction.java

...n/java/org/caosdb/server/transaction/ChecksumUpdater.java

...aosdb/server/transaction/FileStorageConsistencyCheck.java

...caosdb/server/transaction/InsertLogRecordTransaction.java

src/main/java/org/caosdb/server/transaction/Retrieve.java

...osdb/server/transaction/RetrieveLogRecordTransaction.java