README: Add url to issue tracker on Github
README: Remove link to example code on website

That example code on the website is difficult to keep up-to-date, so
I removed it. People should now refer to the examples directory in the
source repo.
README: Move git urls from Freedesktop to Github

Waffle's git repo now lives on Github.
README: Resort the Links section

Sort from most to least important.
debian: Update Vcs-Git and Vcs-Browser urls

Waffle moved to Freedesktop to Github.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
man/wflinfo: Remove redundant info in See Also

Remove links to website and source repo. The main waffle(7) manpage
provides those links.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
man: Update urls to source repo and example code

Waffle's git repo has moved from Freedesktop to Github.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
man: Add Issues section to all manpages

Add the following text to all manpages:

  Issues
    Please report bugs or and feature requests to
    https://github.com/waffle-gl/waffle/issues.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
Merge branch 'move-to-github'
examples: Remove dead code

simple-x11-egl called glClearColor back-to-back. Remove the first call.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
debian: bump version to 1.3.90

Signed-off-by: Jordan Justen <jljusten@gmail.com>
debian: fix source package name typo

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
core: Update url for issue tracker in error messages

If Waffle encounters an internal error, then direct the user to report
a bug on the issue tracker.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
wflinfo: Print all error messages to stderr, not stdout

Some tools interpret messages on stderr as *errors*, and treat stdout
differently, and sometimes ignore stdout completely.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
man: run xsltproc with -nonet

This speeds up package builds for debian considerably, but adds
a requirement on the docbook-xsl package.

[chadv] Reduces `ninja man` from 20s to 1.25s.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>