add front-part of autocompleter function
edit style of autocompleter
adding initial code for backend-part of autocompleter

including test-code
edit style of autcompleter
add forgotten search.less
initial implemention of autocompletion in opensearch.xml
deactivate autocompleter by default
fix little bug to allow webapp.py without client var
add client var to all render pages
Merge branch 'autocompleter' of https://github.com/pointhi/searx into autocomplete
[enh] autocompleter server side part
[fix] autocompleter.py added
[fix] pep8
[fix] opensearch autocomplete