document some more functions
more function doc, and update helpdb
Add `methodswith` for #1762.
add `.+ .-` 

add `.+ .-` 
so operators and descriptions match
Update helpdb.jl
change `` to \" in helpdb.jl
Merge pull request #2466 from wlbksy/patch-4

add `.+ .-` in `doc/stdlib/base.rst`
Merge pull request #2465 from tshort/methodswith2

Add `methodswith` for #1762.
Rmath is now in a package. #2422
Merge branch 'master' of github.com:JuliaLang/julia
Remove ode.jl and poly.jl from extras. #2422.
Add the path for the julia-installed git to the end of PATH, so that the system provided git is used if available.
Update git to 1.8.1.5 (there was a build failure in 1.8.1.4)
Bundle git's libexec
Set GIT_EXEC_PATH to the local installation when launching julia

Conflicts:
	Makefile
cleanup build errors
Merge branch 'master' of github.com:JuliaLang/julia
Avoid using hard links when installing git.