Merge pull request #6251 from ivarne/whitespace

Remove trailing whitespace in .travis.yml from Pkg.generate()
Doc: Integer promotions to native word size

Make the text here a little more precise about using native machine sizes for integer promotions. Also swap the order with floating point so the easier case is described first.
Merge pull request #6254 from mbauman/patch-1

Doc: Integer promotions to native word size
make help() support an io parameter
move catchall to end
Fix long-standing typo in BitArray convert function

This became a bigger deal with 430de02039900227c6cebead8431fee0279bf9e1
Fix #6262

Use an Int for the accumulation variable when iterating over integer
types smaller than Int, and the type of the range when iterating over
types larger than Int
Merge branch 'master' into dh/cov2
new covm and cov implementations
cov tested
Merge pull request #6237 from cbecker/master

Fix and improvement for edit()
fix #6242
Merge pull request #6249 from tanmaykm/readcsv

remove undefs from readdlm result. fixes #6247
remove test/iterators.jl. fixes #6261
Merge branch 'master' of github.com:JuliaLang/julia
Remove unnecessary eval
import REPL.jl code

Fixes #1773 (Repl autocompletion for composite type fields).
Fixes #3652 (Segfault during TAB-completion on OSX).
Fixes #4477 (Tab completion for `using` should look up installed packages).
integrate REPL.jl code into Base
expunge readline
fix repl crash when tab-completing type field