0.7 updates and LIBRARY_PATH augmentation

Merge pull request #44 from JuliaPackaging/sf/oc_cleanup

Output Collector cleanup

Fix Base.stderr/stdout errors

Fixes BinaryProvider on 0.7, adds repr() for Products

Allow `install()` to overwrite downloaded tarballs

Properly pass force through to download_verify() from within install()

This is a non-breaking change, and addresses issues such as SciML/Sundials.jl#157 (comment)

Loosen type bounds for `write_deps_file()`

Also fix Windows CI

Product Rewrite with backwards compatibility

Add compatibility shims to minimize breakage

Product Rewrite

Breaking changes to change up Product APIs

Fix Windows CI

Also increase 0.7 compatibility

More output control

Also some test improvements and 0.7+ compat

Be less stringent on Linux platform triplet parsing

Merge pull request #25 from ChrisRackauckas/regex

Fix regex for redhat

New stable release

v0.1.2

Allow `install(...,; ignore_platform=true)` to accept bogus platforms