some formatting changes
fix #1927
Merge branch 'master' of github.com:JuliaLang/julia
Fix unicode test error [closes #1951]
major cleanup of deps/Makefile targets
add generalized targets (including getall for downloading all required archives)
deps/Makefile fixes for recent cleanup
fix a couple ccall types, compile hints
fix more formatting and compiler warnings
Enhancements and reorganization of backtrace utilities
Ignore kate tmp files
faster replace() via IOString
Merge branch 'master' of github.com:JuliaLang/julia
fixes to new I/O code
fix libunwind target
RMATH depends on librandom, so make sure that is built first. fix #1956
Merge branch 'master' of github.com:JuliaLang/julia
Disable echoing on non-TTY handles in repl-basic [closes #1930]
median: throw an error for NaNs and empty arrays [#1142].

This also restricts median to arrays of real elements type.
fix #1964