ignore .pm files PAUSE ignores (such as ones in x?t/)
Merge pull request #384 from haarg/devel

don't find directories when searching for executables
only assume Module::Build configure prereq if no configure prereqs specified

If there are configure prereqs specified, assume they are accurate
instead of always adding Module::Build when a Build.PL exists.
Merge pull request #391 from haarg/not-always-mb

only assume Module::Build configure prereq if no configure prereqs specified
Merge pull request #358 from charsbar/fix/pmfiles_pause_ignores

ignore .pm files PAUSE ignores (such as ones in x?t/)
return true when skipping archive verification. Fix #402