use https maven central

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Merge pull request #1964 from mcginty/maven-https

use https maven central
MmsConnection refactor

- Use Apache HttpClient v4.x, only library that seems to like HTTP proxies
- Remove custom redirect logic in favor of library's

Fixes #1904
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add CM APN list, remove non-MMS APN info

Fixes missing Verizon APN. Overall, smaller DB size but more APN info.
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switch back to BufferedInputStream

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Updated language translations.

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Bump version to 2.1.9

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actually fallback when mms local params unset

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Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into jxmods