Updated URL and license information.
Removed obsolete gccbug.

(.spec) Non user-visible improvements:
working gcc in case of errors in the previous build.

Dropped gcc-java-common and libgcj-common subpackages.
gcc-common: dropped alternatives.

gcc-common: added gcov-dump symlink.

gcc-common: added gcov-tool symlink.

gcc-common: added gcc-{ar,nm,ranlib} symlinks.

Added gcc-gnat-common subpackage.

gcc_wrapper:

libgcj-common: added /usr/share/java/ and /usr/share/java/gcj-endorsed/.
Packaged gcc-{c++,fortran,go,java,treelang}-common as noarch subpackages.

go compiler support added

Switched to alternatives-0.4.

gcc-java-common: Added more symlinks for better gcc4.3-java support.

gcc-java-common: Replaced /usr/bin/fastjar with fastjar requirement.

gcc-common:
common (closes: #15854).
gcc wrapper:
" prefix.
common: cc;
c++-common: c++;
fortran-common: f77, g77, f95;
treelang-common: tree1;
java-common: jar.
gcc-java-common:
jar, gcj-rmic.

Updated dependencies.

Rebuilt.