plasmate isn't aware of runtime deps

[Li The G No Lie]

Plasmate isn't aware of runtime deps, those are pykde4 and ruby bindings.

Plasmate will be configured, compiled and installed without any complains but it will fail in the runtime. Especially for the plasmoids which have a previewer.

Reproducible: Always

Copy of https://bugs.kde.org/show_bug.cgi?id=305871

➤ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty

➤ apt-cache policy plasmate
plasmate:
  Installé : 1.0-0ubuntu3
  Candidat : 1.0-0ubuntu3
 Table de version :
 *** 1.0-0ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: plasmate 1.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-38.65+iwlwifi201410162240-generic 3.13.11.8
Uname: Linux 3.13.0-38-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Jun 13 22:25:11 2015
InstallationDate: Installed on 2014-01-16 (512 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: plasmate
UpgradeStatus: Upgraded to trusty on 2014-04-19 (419 days ago)

[Li The G No Lie (helpunclejackoff)]

Basically all this needs is an update of the dependencies. It needs to depend on plasma-scriptengines