Defines +,- for Triangular matrices

Fix #5927
Allow to customize file name of make dist result.

Fixes https://github.com/JuliaLang/julia/issues/7407
run pkg test on travis
Add examples for reading STDIN to Network and Streams manual
Add `-T` -a` to the default ssh command/s.

- Disable TTY allocation
- Disable agent forwarding
 Fix issues in determining return type of sum/prod along dim

- Fix reductions along dimensions of Union typed arrays
- sumabs/sumabs2 for Complex64/Complex128 should return Float32/Float64
fixed commit
Merge branch 'master' of git://github.com/JuliaLang/julia
 remove typo
Merge pull request #7614 from mcprentiss/master

Fixing redirected links in documentation. Rebase and fixed from #7606
fix #7174, mostly
fix #7082
export maxabs and minabs
Document compiler flags for using Intel compilers and libraries.
Slightly updated instructions for icc and mkl.
Revert "Slightly updated instructions for icc and mkl."

This reverts commit 3ba3d1d251213b005f94c87dcac571d2603518b6.
Updated instructions for icc and mkl only, and no other breaking stuff.
fix ref #7082
fix terminal size detection in mintty

use try catch and open from t.out_stream
Merge pull request #7620 from JuliaLang/tk/mintty-size

fix terminal size detection in mintty