Merge pull request #3 from juw/upstream

Imported Upstream version 2.5
Imported Upstream version 2.6
List only one build dependency per line.
Import upstream version 2.6.1
Import upstream version 2.7
Update watch file
Remove .gitignore
Merge tag 'upstream/2.7' into debian-master

Conflicts:
	Makefile.in
	aclocal.m4
	ar-lib
	compile
	config.guess
	config.h.in
	config.sub
	configure
	depcomp
	doc/Makefile.in
	install-sh
	ltmain.sh
	m4/libtool.m4
	missing
	po/ca.gmo
	po/cs_CZ.gmo
	po/de_DE.gmo
	po/en_GB.gmo
	po/en_US.gmo
	po/es_ES.gmo
	po/hu_HU.gmo
	po/id_ID.gmo
	po/nl_NL.gmo
	po/zh_TW.gmo
	src/Makefile.in
	src/css.h
	traceevent/Makefile.in
Update debian/changelog for new upstream version.
Update debian/copyright