make $pattern local to _zsh_highlight_pattern_highlighter #97

Signed-off-by: Takeshi Banse <takebi@laafc.net>
Merge pull request #100 from hchbaw/for-nicoulaj/pattern-local

make $pattern local to _zsh_highlight_pattern_highlighter #97
Fix relative link in main readme
Fix relative links in highlighters readme
Merge pull request #106 from cknadler/master

Fix relative links in various project readmes