mingw-w64 repos protocol changet from svn to http
GDB updated to version 7.7.1
libgmp link updated
changes for building gcc-4.8.3
bison & flex added to list for checking for installed tools
Update README
Update README
Update README
Update os_detect.sh
Update functions.sh
Update functions.sh
Update libffi to 3.1, sqlite3 to 3.8.4.3
gcc-4.9.0: Add new patches.