Rename MaxCounter -> MaxPosInt; tweak docs a little.

Also expose `fromMaxPosInt`.
Start sketching out Data.LVar.Counter. Almost nothing there yet.
minor mod to race detector testing setup
Repair test failure in jenkins build 735
Bump LVish version to 1.1.1.5 for recent bugfixes
Rename MaxCounter -> MaxPosInt in the places I forgot.
Some progress on Data.LVar.Counter.
Typo fixes.
Mergesort builds.
Revert "Mergesort builds."

This reverts commit 0831285610758f844d305335b5e7f6ead4c80862.
Version bump to 1.1.2.  Comment out disabled 'beta' modules.
Add PLDI paper to docs
Merge branch 'master' into 1.1
minor
Set up a directory for lambdaLVish.
Setting up to add inflationary ops.
Fix broken link in README.
Comment out something that's not true yet.
WIP: adding support for "bump".
Temporarily expose cycgraph again