[enh] Add french translation for webapp.
implement query parser and use it inside autocompletion
using Query class for parsing of search query
Merge pull request #106 from pointhi/query_parser

FIX: #101 implement query parser and use it inside autocompletion and search query extraction
Merge pull request #67 from opi/patch-1

[enh] Add french translation for webapp.
fix float division by zero bug in score calculation
Merge pull request #107 from pointhi/float_bug

fix float division by zero bug in score calculation
Merge remote-tracking branch 'upstream/master'