removed arm-none-eabi-gcc-linaro, not used/needed anymore
removed obsolete paparazzi-arm7 package
update develenv script and readme
update paparazzi-dev meta package
Update linux/README.md
Update linux/README.md
paparazzi-arm-multilib: add patch to build toolchain with gcc4.7
paparazzi-dev: add libgsl0-dev dependency
[macports] added port for gcc-arm-embedded toolchain
[paparazzi-dev] add gtk2-engines-pixbuf dependency
[paparazzi-dev] add meld to recommends