Rollup merge of #27251 - dhuseby:adding_snapshots, r=alexcrichton

@alexcrichton please upload the following snapshot files along with this PR:

https://github.com/dhuseby/rust-manual-snapshots/raw/master/rust-stage0-2015-07-17-d4432b3-bitrig-x86_64-af77768e0eb0f4c7ec5a8e36047a08053b54b230.tar.bz2
https://github.com/dhuseby/rust-manual-snapshots/raw/master/rust-stage0-2015-07-17-d4432b3-freebsd-i386-b049325e5b2efe5f4884f3dafda448c1dac49b4f.tar.bz2
https://github.com/dhuseby/rust-manual-snapshots/raw/master/rust-stage0-2015-07-17-d4432b3-freebsd-x86_64-a59e397188dbfe67456a6301df5ca13c7e238ab9.tar.bz2

Author: steveklabnik

src/snapshots.txt

@@ -1,4 +1,7 @@
 S 2015-07-17 d4432b3
+  bitrig-x86_64 af77768e0eb0f4c7ec5a8e36047a08053b54b230
+  freebsd-i386 b049325e5b2efe5f4884f3dafda448c1dac49b4f
+  freebsd-x86_64 a59e397188dbfe67456a6301df5ca13c7e238ab9
   linux-i386 93f6216a35d3bed3cedf244c9aff4cd716336bd9
   linux-x86_64 d8f4967fc71a153c925faecf95a7feadf7e463a4
   macos-i386 29852c4d4b5a851f16d627856a279cae5bf9bd01