Add missing dependency

This package requires py-lxml.
Initial attempt to package hgview

hgview has been already packaged for pkgsrc-wip, however that version does not
work and uses development release of this package. It was packaged for GTK and
hgview currently is using Qt.
Polish the package

Rename patch and add comment to it.
Use DEPENDS instead of BUILD_DEPENDS for mercurial.
PKGREVISION is not needed for a new package.
Add modifications for the previous patch

Try again to include the modified files: Makefile, distinfo, patches/*
Start packaging terminator

Intial attempts, still not finished.
Add gmake to USE_TOOLS

GNU make is a dependency of the build process.
Use curl to fetch the tarball and correct a small typo USE_TOOL -> USE_TOOLS
Add devel/glib2, devel/pango x11/gtk as buildlink3
Add x11/vte with buildlink3.mk
Add content to PLIST
Terminator depends on graphics/hicolor-icon-theme
Terminator requires sysutils/py-notify-python
Merge remote-tracking branch 'origin/hgview'
Merge remote-tracking branch 'origin/terminator'
Merge remote-tracking branch 'origin/xentools42'