Java 9, new Switch, Sel level attribute, fixes

• Compiled with Java 9
• Changed Switch behavior because it was equal to DipSwitch with 1 switch
  (Now it's like a controlled buffer and it won't give retro-compatibility problems because it will be replaced with a DipSwitch if used in old files)
• Added Sel on register and changed PLA ROM enable to Sel pin
• Added Sel Level attribute on ROM, RAM, register and PLA ROM
• Added checkbox in Preference -> Fork to choose if fill component's background or keep it transparent
• Fixed again Analyze Circuit logic and added horizontal scroll bar in table if needed
• F1 key will open Library Reference
• Anti-aliasing and Fill Background in Preference will repaint all when clicked
• Graphical changes
• Maybe fixed some "blue wire" error

Log Panel Changes

• Added Remove All and Clear Log buttons
• Replaced "Close Window" with another button that cleans the table
• Fixed indentation in the table when using more than 5 bit
• Fixed indentation in log's file when using radix 10 or 16

Fixes

• If you open a file and then reboot for an update, Logisim will reopen that file
• Added Label Color Attribute for circuits
• Added Color attribute for Dip Switch
• Changed default Label Location Attribute to North
• Big improvements to Pla Rom
• Semplified Analyze Circuit code and it doesn't give any error with any component while computing
• Fixes

Label Color Attribute everywhere and other small changes

• Added Label Color attribute for each component with Label attribute
• Analyze Circuit: max output pin limit increased to 32
• In Edit Layout window snap for shapes is now by default and CTRL disables it
• Maybe fixed some problem with Java 9

Label Color Attribute

• Label and Text Tool -> Added color attribute
• Added a warnin message if you open an old file with wide gates that have 4 inputs

Led Matrix Tooltips

Added tooltips for Led Matrix component

Edit Layout Window fix

• Edit Layout window zoom with mouse wheel
• Edit Layout Toolbar tooltips
• Moved toolbar separator between Edit and Label tools

Small fixes

• Fixed a bug of original Logisim with wrong input positions while using a gate with "Wide" and "4 Input" Attributes
• Fixed italian translation

Small changes

• Dip Switch Logger
• Tunnel default facing attribute: EAST

Small changes

• Logisim will ask you to restart if you change a preference that requires for it
• Joystick can be rotated + graphic changes + tooltips
• Fixed graphical bugs (Keyboard and JTextField border)
• Fixed Experimental graphics acceleration code that wasn't changing anything