adds flag use_glob to put, to allow raw file paths re: #812
Add changelog, versionchanged re #869, #812
Move doc of use_glob closer to desc of default globbing

Re #869, #812
Remove env var checking behavior for use_glob.

There was no env var and I actually don't think it makes
sense for this to be globally true/false.

Re #869, #812
Merge branch '869-int'