moved --filepath option to separate line in POD synopsis
removed "--" delimiter for <filename> in POD
changed <filename> to <filepath> in POD
clarified relation of <filepath> to other options in POD
reordered options listing in POD to match synopsis
clarified POD options syntax
Merge branch 'manpage-cleanup' of https://github.com/diminutivesloop/git-cal into manpage-cleanup

Conflicts:
	git-cal

resolved conflict after rebase