Fixes joestelmach/lint.vim#9

Added g:lint_skip_jump_to_first_error which if set to 1 (is set to 0 by
default) skips jumping to the first error location. Fix involves using
:cgetfile instead of :cfile when the option is set.
Merge pull request #15 from dhruvasagar/master

Adding support for skipping jump to first error #8