added detection for mobile app 'FeedR'

fixes matomo-org#5300 - added detection for iTel devices

fixed version number

refs matomo-org#4792 - added tests for vendor fragments

refs matomo-org#5288 - include version number in cache keys, so old c…

…ache keys will not be used anymore as soon as the DD was updated to a new version

Merge pull request matomo-org#5284 from schnittstabil/master

Remove composer.json from gitignore.

fixes matomo-org#5274 - added detection for some lava devices

fixes matomo-org#5271 - added detection for Windows 10

small code improvements

fixes matomo-org#5254 - changed license to LGPL