adding mongodump task
Added support for FTP storage
todo
cleanup executable
Merge remote-tracking branch 'seroy/master' into dev0.3.1

Conflicts:
	astrails-safe.gemspec
	lib/astrails/safe.rb
changelog and contributors in README
Merge pull request #28 from mattberther/mongo

adding mongodump task
Merge remote-tracking branch 'origin/master' into dev0.3.1

Conflicts:
	lib/astrails/safe/config/builder.rb
changelog and readme
0.3.1