[OE-core] [OE][Security] Backports for Jethro

[akuster808]

Please backport the following from oe-core master to jethro.

b09f0f2665745b756cb93092501ffe9094918163
libarchive: rename patch to reflect CVE

b80935a6d745cca79a98e2da2a4f73f0f2aaac4e
readline: rename patch to contain CVE reference

78e05984b1ac48b1f25547ccd9740611cd5890a9
unzip: rename patch to reflect CVE fix

bbd6d07c98149201a51086da9a069d207c4777d5
libxslt: CVE-2015-7995

TIA
Armin