Added binary tarballs for ruby dependencies to work around cmake download failures against github (http://cloud.github.com/downloads/jjyg/dfhack/)
No longer prints -e when DF finishes.

That echo option is a bash-specific extension, unavailable under other shells.
Fortunately, a bare echo with no arguments prints the single newline required here.
merge git://github.com/hobotron-df/dfhack
ruby: call RUBY_INIT_STACK
Merge remote-tracking branch 'eswald/spurious-e'
Update NEWS.
Merge remote-tracking branch 'dfhack/develop' into HEAD
Update NEWS.
Merge remote-tracking branch 'jjyg/develop'
Support std::fstream in data structures and add file_compressorst to xml.

One tricky thing is that fstream does not have operator=, so the new
file_compressorst requires a manually implemented one that skips it.
ruby: add stl-fstream to codegen
ruby: add df.print_color(col, string)
fix superdwarf
Merge branch 'develop' of https://github.com/angavrilov/dfhack into develop