Fix #7551

Simply drop out of search mode (back to the original mode) when accepting an empty search-string.
Fix inclusion order of deps/Versions.make

Include `deps/Versions.make` before `Make.inc`. This allows `Make.user` to
override versions of system dependencies without changing Versions.make.
Precompile run command

This gives a big speed-up to REPL shell mode the first time
it's used
Formatting of process.jl
Merge pull request #7596 from wavexx/fix_inclusion_order

Fix inclusion order of deps/Versions.make
Mention goto statements in NEWS.
Update NEWS.md issue links.
loosen modification time skew in file test
Merge pull request #7558 from mbauman/7551

Fix #7551
Merge pull request #7602 from JuliaLang/tk/file-test-skew

loosen modification time skew in file test
Fix cfunction on LLVM 3.5. Fixes #7567