Initial cppcheck definitions and fixes.
More cppcheck fixes.
clang static analysis fixes.
issues from coverity
Merge pull request #41 from pantheon-systems/cppcheck

Initial static analysis support and fixes
Merge branch 'master' of github.com:pantheon-systems/fusedav into 20130329-baditerkey
remove iterkey NULL section; can't delete entry which has null key
add comment
accommodate review recommendations
Merge pull request #39 from pantheon-systems/20130329-baditerkey

20130329 baditerkey
merge fix