Arduino version 1.6.6 modified with AVR-Libc version 1.8.1
Zip files ~ 155 Mbyte
MacOS version 1.6.6
On the first run, right (control) click the icon and select 'Open'
Thereafter, it will run normally.
Linux 32 bit version 1.6.6
Linux 64 bitversion 1.6.6
Windows version 1.6.6
Note that this is the self-contained, 'stand alone' version.
comments and questions should be directed to...