tons of improvements, cjdctl has restart, install.sh has uninstall, help
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libuv: backport android stat(2) timestamps patch

With this patch, cjdns can be built for an Android x86 target,
e.g. the emulator. Android's bionic libc doesn't provide
stat->st_atim/mtim/ctim as per POSIX-1.2008. More information
can be found in the upstream pull request. [1]

[1] https://github.com/joyent/libuv/pull/1506
android: respect TARGET_ARCH
Merge branch 'crashey' of git://github.com/prurigro/cjdns into crashey
Merge branch 'crashey' of git://github.com/kpcyrd/cjdns into crashey
Removed security alert which applies to ancient and nolonger compatible version
Merge branch 'android-x86-stat' of git://github.com/lgierth/cjdns into crashey
admin: update functions list
admin: mention benc2json removal
admin: add Core_pid()