perl: case insensitive parsing
* Parser improved for speed using precompiled regex;
* testcases added/ corrected
* allow loading from local file - default is download
php: case insensitive parsing
* jsParseBits (js_ua) removed
py: case insensitive parsing
js: case insensitive parsing
* files jshinted
test_resources: jsParseBits (js_ua) removed
case insensitive parsing for spider and generic feature and smartphones