package/jasper: security bump to version 2.0.19

Fixes the following security issues:
* Fix CVE-2018-9154
  https://github.com/jasper-software/jasper/issues/215
  https://github.com/jasper-software/jasper/issues/166
  https://github.com/jasper-software/jasper/issues/175
  https://github.com/jasper-maint/jasper/issues/8

* Fix CVE-2018-19541
  https://github.com/jasper-software/jasper/pull/199
  https://github.com/jasper-maint/jasper/issues/6

* Fix CVE-2016-9399, CVE-2017-13751
  https://github.com/jasper-maint/jasper/issues/1

* Fix CVE-2018-19540
  https://github.com/jasper-software/jasper/issues/182
  https://github.com/jasper-maint/jasper/issues/22

* Fix CVE-2018-9055
  https://github.com/jasper-maint/jasper/issues/9

* Fix CVE-2017-13748
  https://github.com/jasper-software/jasper/issues/168

* Fix CVE-2017-5503, CVE-2017-5504, CVE-2017-5505
  https://github.com/jasper-maint/jasper/issues/3
  https://github.com/jasper-maint/jasper/issues/4
  https://github.com/jasper-maint/jasper/issues/5
  https://github.com/jasper-software/jasper/issues/88
  https://github.com/jasper-software/jasper/issues/89
  https://github.com/jasper-software/jasper/issues/90

* Fix CVE-2018-9252
  https://github.com/jasper-maint/jasper/issues/16

* Fix CVE-2018-19139
  https://github.com/jasper-maint/jasper/issues/14

* Fix CVE-2018-19543, CVE-2017-9782
  https://github.com/jasper-maint/jasper/issues/13
  https://github.com/jasper-maint/jasper/issues/18
  https://github.com/jasper-software/jasper/issues/140
  https://github.com/jasper-software/jasper/issues/182

* Fix CVE-2018-20570
  https://github.com/jasper-maint/jasper/issues/11
  https://github.com/jasper-software/jasper/issues/191

* Fix CVE-2018-20622
  https://github.com/jasper-maint/jasper/issues/12
  https://github.com/jasper-software/jasper/issues/193

* Fix CVE-2016-9398
  https://github.com/jasper-maint/jasper/issues/10

* Fix CVE-2017-14132
  https://github.com/jasper-maint/jasper/issues/17

* Fix CVE-2017-5499
  https://github.com/jasper-maint/jasper/issues/2
  https://github.com/jasper-software/jasper/issues/63

* Fix CVE-2018-18873
  https://github.com/jasper-maint/jasper/issues/15
  https://github.com/jasper-software/jasper/issues/184

* Fix CVE-2017-13750
  https://github.com/jasper-software/jasper/issues/165
  https://github.com/jasper-software/jasper/issues/174



Furthermore, drop now upstreamed patches and change to the new
jasper-software upstream location.

Signed-off-by: Michael Vetter <jubalh@iodoru.org>
[Peter: reword for security bump]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>