Log Message:
mblaze: update to 1.3. Changes:

* mcom: add senthook
* mfwd: attach all files when forwarding in raw mode
* Maildir: support WinNT/NTFS based systems (using ; instead of :)
* mcolor: add coloring support for diffs
* mdirs: add Maildir profile key
* minc: read directory names from stdin
* mcom: add Drafts profile key
* mcolor: print out form-feed
* add contrib/mopenall - open every attachements in xdg-open
* Many bug fixes.
* Documentation improvements.