Add methods to dump the entire database

There aren't any external tools to backup a LevelDB database, so it's
nice to have a way to do so safely: the dump method is exposed to
localhost on the web interface.
4 jobs for master in 1 minute and 26 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #1352
run_tests

00:00:19

 
  Build Src
passed #1353
build:src

00:00:13

 
  Build Pkg
passed #1354
build:pkg

00:00:40

 
  Upload
passed #1355
upload:pkg

00:00:12