Added submodule site-lisp/hsenv

git submodule add git@github.com:Paczesiowa/hsenv.git site-lisp/hsenv
git submodule update --init
Removed site-lisp/hsenv.el symlink
Merge branch 'fix/hsenv-submodule'
Fixed called-interactively-p due to subrp Emacs 24.3 incompatibility
wg-tabs.el requires alist.el from the apel library
added (provide 'persian-johnw) needed by use-package
temporarily deleting agda-mode due to byte-compile problems
Merge branch 'fix/setup-errors' into develop
replace hardcoded path for w3m with executable-find
set 80 as the default for w3m-fill-column
font and cursor color should be set in themes
save load-path default before it is modified
setup prefs and cache directories
added user-prefs-directory to start of load-path
load custom-load-file from user-prefs-directory
save abbrevs in cache directory
save autocomplete history in cache directory
set C-c . as default for allout-command-prefix
enable auto-compression-mode by default
set default for backup-directory-alist to user-cache-directory