Add Linux CI Dockerfile

admin/linux/Dockerfile

@@ -0,0 +1,19 @@
+# Distro with Qt 5.6
+FROM ubuntu:yakkety
+
+RUN apt-get update -q && DEBIAN_FRONTEND=noninteractive apt-get install -q -y --no-install-recommends \
+        locales \
+        build-essential \
+        clang \
+        ninja-build \
+        cmake \
+        extra-cmake-modules \
+        libsqlite3-dev \
+        libssl-dev \
+        libcmocka-dev \
+        qt5-default \
+        qttools5-dev-tools \
+        libqt5webkit5-dev \
+        qt5keychain-dev \
+        kio-dev \
+    && apt-get clean