Get Open Source Software for Smart mini 4

Signed-off-by: Gianpaolo Macario <gmacario@gmail.com>
Save downloaded file to ${TARBALL}

Signed-off-by: Gianpaolo Macario <gmacario@gmail.com>
Check archive MD5 and SHA1 before extracting files

Signed-off-by: Gianpaolo Macario <gmacario@gmail.com>
Leave -x flag commented out

Signed-off-by: Gianpaolo Macario <gmacario@gmail.com>
Fix checksum file forma to work on Linux

Signed-off-by: Gianpaolo Macario <gmacario@gmail.com>
Add to .gitignore: *.tmp
Add to .gitignore: *.swp
Merge pull request #2 from gmacario/build-vf785

Add script for getting VF875 (Smart 4 mini) Open Source Software