Add libssl-dev dependency to fix entwine build error

Dockerfile

@@ -56,7 +56,8 @@ RUN apt-get install --no-install-recommends -y \
   python-software-properties \
   python-wheel \
   swig2.0 \
-  grass-core
+  grass-core \
+  libssl-dev
 
 RUN apt-get remove libdc1394-22-dev
 RUN pip install --upgrade pip

configure.sh

@@ -27,7 +27,8 @@ install() {
                          pkg-config \
                          libjsoncpp-dev \
                          python-gdal \
-                         grass-core
+                         grass-core \
+                         libssl-dev
 
     echo "Getting CMake 3.1 for MVS-Texturing"
     apt-get install -y software-properties-common python-software-properties

portable.Dockerfile

@@ -56,7 +56,8 @@ RUN apt-get install --no-install-recommends -y \
   python-software-properties \
   python-wheel \
   swig2.0 \
-  grass-core
+  grass-core \
+  libssl-dev
 
 RUN apt-get remove libdc1394-22-dev
 RUN pip install --upgrade pip