kdepimlibs: Get rid of a dependency on boost.dev

(cherry picked from commit 0e8373143eeb77d2806c8ee9be1b47b68675bde9)
virtualbox: Get tid of runtime dependency on linux.dev

(cherry picked from commit d9ce3ae57ffc125140504dbe8fffb8aee7a9fe38)
Rename release notes

(cherry picked from commit df1f751f03ed0f5da6ffe72eeeea77100084b6c6)
php-5.3: Remove

PHP 5.3 is EOL (see http://php.net/supported-versions.php). NixOS
14.12 is a good opportunity to drop it.

(cherry picked from commit 4d918cb6c7d2309b909b19acdcfcd177287708c7)
nixos/doc/manual/release-notes/rl-1412.xml: document change of default time zone

https://github.com/NixOS/nixpkgs/pull/5332
(cherry picked from commit 60f21f983f1c354283a3b5af39bbe173b83dd22c)
Document screen incompatibility

(cherry picked from commit 997531d172ea3296099186101a132a15f0c114ad)