Address a number of Edward's code review comments
authorDuncan Coutts <duncan@well-typed.com>
Sun, 24 Aug 2014 22:43:40 +0000 (23:43 +0100)
committerEdward Z. Yang <ezyang@cs.stanford.edu>
Fri, 29 Aug 2014 11:39:05 +0000 (12:39 +0100)
commit42f99e99ab38314b15d5ad4bb360ed04579bdc2d
treee96db50e74cd846b3dcc77f37fe98b4b048f31d5
parentb00deb7ca4b3cf485252779f7515776f8f1f95b6
Address a number of Edward's code review comments

Some others addressed as part of other recent patches.
compiler/main/Finder.lhs
libraries/bin-package-db/GHC/PackageDb.hs
utils/ghc-pkg/Main.hs