Support cmake_minimum_version as optional exparam.

Change-Id: I96ffdae8bb58757823d5cd4737a85f707205ff42
Bump kdevplatform to 1.7.0.

Change-Id: I918ea4da805cf0d2edc15f5c0a9559be9cf23b00
Bump kdevelop to 4.7.0.

Change-Id: I64dfeb1a9612f026341c43f198184430b68548c2
kdeconnect: Version bump to 0.7.3

Change-Id: I9ba8dd74dfc129f33a98bc205bd1a7938ad499dd
Add x11-libs/qtwebkit-2.3.4

This brings webkit-2.3 to Qt 4.8.
Add virtual/qtwebkit
app-office/calligra: Depend on virtual/qtwebkit
app-pim/libkgapi: Depend on virtual/qtwebkit
kde/kate: Depend on virtual/qtwebkit
kde/kde-runtime: Depend on virtual/qtwebkit
kde/kde-workspace: Depend on virtual/qtwebkit
kde/kdelibs: Depend on virtual/qtwebkit
kde/kdepim: Depend on virtual/qtwebkit
kde/kdeplasma-addons: Depend on virtual/qtwebkit
kde/kdevelop: Depend on virtual/qtwebkit

Change-Id: Ice91f6dddff6e69ea99e84624d0652fedc238be0
kde/kdevplatform: Depend on virtual/qtwebkit
kde/kwebkitpart: Depend on virtual/qtwebkit
kde/marble: Depend on virtual/qtwebkit
kde/pykde4: Depend on virtual/qtwebkit
kde/rocs: Depend on virtual/qtwebkit