Added bc and shunit2 dependencies (online-labs/image-tools#9)

Dockerfile

@@ -10,10 +10,13 @@ ENV OCS_BASE_IMAGE armbuild/ocs-archlinux:2014-12-02
 # Install packages
 RUN pacman -Sy --noconfirm \
     bash-completion \
+    bc \
+    binutils \
     cronie \
     curl \
     dhcpcd \
     dnsutils \
+    fakeroot \
     file \
     htop \
     iptables \
@@ -38,6 +41,16 @@ RUN pacman -Sy --noconfirm \
     wget
 
 
+# shunit2
+RUN mkdir -p /tmp/shunit2 \
+ && chown nobody /tmp/shunit2 \
+ && cd /tmp/shunit2 \
+ && wget https://aur.archlinux.org/packages/sh/shunit2/PKGBUILD \
+ && sudo -u nobody makepkg --nocheck ./PKGBUILD \
+ && pacman -U --noconfirm shunit2-*-any.pkg.tar.xz \
+ && rm -rf /tmp/shunit2
+
+
 # xnbd-client
 RUN mkdir /tmp/build-xnbd \
     && cd /tmp/build-xnbd \