Ensure that line renumbering starts in the right place when undoing a cut or paste

Original nano commit: 5067
http://svn.savannah.gnu.org/viewvc?view=rev&root=nano&revision=5067
Original nano commit message:
	Making sure line renumbering starts far enough back after
	undoing a cut or paste.  And fixing two memory leaks.
	Patch by Mark Majeres.
Add some escaping and formatting to pinot.1 man page

Original nano commit: 5069
http://svn.savannah.gnu.org/viewvc?view=rev&root=nano&revision=5069
Original nano commit message:
	doc/man/nano.1, doc/man/rnano.1: Add some escaping and formatting
	fixes as suggested Bjarni Ingi Gislason <bjarniig@rhi.hi.is> in
	Debian bugs #662842 and #726956.
Update apt.sources syntax highlighting to apply to apt/sources.list.d and to include https, tor, and spacewalk in URL highlighting

Original nano commit: 5070
http://svn.savannah.gnu.org/viewvc?view=rev&root=nano&revision=5070
Original nano commit message:
* doc/syntax/debian.nanorc: Add https, tor and spacewalk to supported
APT methods.
* doc/syntax/debian.nanorc: Apply the syntax to apt/sources.list.d/
entries as well, as reported by Rodolphe Pelloux-Prayer.