avrprog2 version 1.4 released

changes since 1.3.1

• [new] add an option (--no-erase) to skip an implicit chip erase before programming flash memory
• [new] builds on MacOS
• [new] write usage() to stderr in error situations
• [fix] (bug 3496411) removed "-mt" from boost libs (thanks to Jakob Gruber)
• [fix] (bug 3497866) use SUBSYSTEM in udev rules file (thanks to Jakob Gruber)
• [fix] fixed immediate specification of fuses on 64-bit systems (thanks to Matthias Burgholzer)
• [fix] fixed specification of usb bus id on 64-bit systems
• [fix] (bug 3531334) add unistd.h for gcc 4.7 (thanks to Jakob Gruber)
• [fix] (bug 3599992)include config.h before bfd.h (thanks to Jakob Gruber)
• [fix] add libintl, necassary to build on MacOS
• [fix] minor code improvements (fix cppcheck warnings)
• [fix] (bug 3607077) programming of empty flash pages
• [build] generate silent makefiles