smu-git: update to 20140515
sbase-git: update to 20140515
st-git: update to 20140515
bspwm-git: update to 20140515
xbps-src: wait for child processes before exiting.
subversion: update to 1.8.9.
xbps-git: bump version.
tzdata: update to 2014c.
etc/defaults.conf: use -mtune=generic and -fstack-protector-strong by default.

- -mtune=generic provides optimizations for generic CPUs.
- -fstack-protector-strong guards against buffer overflows and stack smashing attacks.
cross-profiles: enable -fstack-protector-strong for armv[67]hf profiles.
libXfont: update to 1.4.8.
New Package: libBLAS, Version 2007_03, Basic Linear Algebra Subprograms
webkitgtk: rebuild against gcc>=4.9 to avoid C++11 compat symbols.
base-chroot: bump versions for linux headers and gcc.
Merge branch 'master' of https://github.com/voidlinux/xbps-packages
README: update instructions to customize C{,XX}FLAGS/LDFLAGS.
README: fix previous; vars have XBPS_ prefix.
Merge pull request #401 from grauehaare/master

New Package: libBLAS, Version 2007_03, Basic Linear Algebra Subprograms
chroot-gcc: synchronize version with gcc.
cross-vpkg-dummy: synchronize version with gcc.