Big Update

• New Flip-Flops attributes and new layout (fully retro-compatible)
• New TTL 7485: 4-bit magnitude comparator
• New TTL 74283: 4-bit binary full adder
• Solved every kind of retro-compatibility problem
• Mouse wheel now will zoom where you're pointing at
• Press ESC or DEL to cancel "add tool" action
• Truth table is now displayed with a different color for each row
• Press F5 to repaint
• Fixed a bug in Digital Oscilloscope and in translations
• All the menu windows now will open at the screen center
• Display Decoder: multibit attribute changed into true by default
• Solved empty template bug

TTL 7447

• New TTL 7447: BCD to 7-segment decoder
• Changed Display Decoder logic, now it includes LT, BI and RBI inputs
• Now Logisim should be compatible with java 1.5+ but still compiled with java 1.8