Deprecate old font commands
This commit uses LaTeX3 style code without declaring the document
class as a LaTeX3 document class; it will not compile!
Move options parsing to l3keys2e

Still not a working change, most booleans have been replaced with
yet-to-be-implemented macros. Some options have been deprecated, but
this is not reflected in the documentation.

References #10.
More LaTeX3 options stuff

Continued moving option-related things to LaTeX3 syntax. Probably
still won't run, and both the implementation and the documentation
has to be re-ordered and rewritten in places. And tested.

References #10.
Use inconsolata by default

Use inconsolata, letting it be overridden by other loaded fonts.

Closes #14.
Minor changes

* Defer twocolumn setup using \AtEndClass
* Integrate LaTeX3 variant of leqno.clo directly in \__skrapport_setup_leqno:

References #10.
Minor: \rlap -> \hbox_overlap_right:n
MinionPro -> minionpro

Closes #15.
Adding implementation documentation and fixing a few minor things
More latex3 stuff

* Includes some counter macros, latex3 style
* Maketitle and friends changed
* Etc.
Sectioning commands convertex to LaTeX3

It's still a mess, but meh.
LaTeX3-converted list environments

... and quote environments, and \appendix.
Merge branch '0.12' into latex3

Merges the deprecated font macros from 0.12 branch.
LaTeX3-converted list environments

... and quote environments, and \appendix.
Merge branch 'latex3' of github.com:urdh/skrapport into latex3

Me don't Git well.
Add key-value scheme to color

The color option now accepts an (optional) argument which will (unless
"true" or "false") load the appropriate color theme.

Closes #19.
Use typearea for setting the paper size.

Closes #17.
Reimplemented \title, \author etc.

The \title and \date macros are now in-house. The \author macro now
prints authors and emails differently, and stores them in comma-separated
lists instead of a hacky token list.

Closes #16, #18.
Pass options to caption (if loaded)

Closes #20.
Converted color theme sty files to LaTeX3.

References #10.
More LaTeX3

* Moved translatable strings to \__skrapport_setup_lang:n
* Reimplemented \emph as LaTeX3 (may introduce spacing bugs)
* Removed footnote rule

References #10