Rewrite install file.

Added check before link creating (can be forced with -f option).  After
creating links script build all path and resources.
Remove unused vim plugins.
Add vim bundles: git, taglist.
Vim config update.

Unified dirs.
Add mutt light color schema.
Change mutt index date format.

Long month name didn't fit well.
Mupdf as pdf viewer in zsh.
Add ledger support.

Vim ledger template and auto aligning with tabular plugin.
Add zsh aliases.
Update ledger alias.
wip