Merge branch 'master' of github.com:hgoebl/mobile-detect.js

use Mobile-Detect@2.8.34; update docs

use Mobile-Detect@2.8.33

use Mobile-Detect@2.8.32

use Mobile-Detect@2.8.30

update gh-pages

v1.3.7 use Mobile-Detect@2.8.26

v1.3.6 use Mobile-Detect@2.8.25

v1.3.5 use Mobile-Detect@2.8.24

v1.3.4 use Mobile-Detect@2.8.23