enlarge default font
`syntax enable' will keep my color settings

- to override color settings `syntax on' must be used
fix configuration stanzas for shell files

- shell file type in vim is `sh', not `shell'
- expand tabs
- use copyindent
highlight spaces with red color instead of green (like git does)
create autocmd group for cursor lines highlighting
use copyindent in Puppet files
GUI adjustments

- switch from `evening' colorscheme to `solarized'
- set GUI font to 'Terminus 15'
- add cursor highlightment directives
Make huge font a bit smaller