Add some recommended settings in README

Use of `paredit` or `smartparens` minor modes is added as a possible
recommendation for lisp modes. Also a small snippet added to add this
to hook. Tries to address the issue raised in #20
Merge pull request #21 from theanalyst/enhance/readme

Add some recommended settings in README
make indent-tabs-mode nil

This commit sets indent-tabs-mode to nil by default in hy-mode so that
tab doesn't get introduced
Merge pull request #22 from theanalyst/f/tabs-vs-spaces

make indent-tabs-mode nil
Add new keywords, and fix the *-alias highlighting

This adds a couple of new keywords, some are already in released Hy
versions, some are only on master. It also fixes the *-alias
highlighting: those take an array as the first argument.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
Merge pull request #24 from algernon/f/more-keywords

Add new keywords, and fix the *-alias highlighting
Correct add-hook call to enable paredit-mode

add-hook's take a mode hook as symbol.
Merge pull request #25 from cmpitg/patch-1

Correct add-hook call to enable paredit-mode
Correct highlight of modules in require/import list
Merge pull request #26 from ALSchwalm/master

Correct highlight of modules in require/import list