Changed dockerfile to odm official repo image, removed need for recompilation

Dockerfile

@@ -1,4 +1,4 @@
-FROM pierotofy/opendronemap:latest
+FROM opendronemap/opendronemap:latest
 MAINTAINER Piero Toffanin <pt@masseranolabs.com>
 
 EXPOSE 3000
@@ -8,13 +8,6 @@ RUN curl --silent --location https://deb.nodesource.com/setup_6.x | sudo bash -
 RUN apt-get install -y nodejs python-gdal
 RUN npm install -g nodemon
 
-# Recompile OpenDroneMap. This is necessary as the target architecture might be different than the one from which the base image was created
-WORKDIR "/code"
-RUN rm -fr build && rm -fr SuperBuild/build \
-    && cd SuperBuild && mkdir build && cd build && cmake .. && make -j$(nproc) \
-    && cd ../.. && mkdir build && cd build && cmake .. && make -j$(nproc)
-
-
 RUN mkdir /var/www
 
 WORKDIR "/var/www"