Don't clone gitrep again for docker

Dockerfile

@@ -15,7 +15,7 @@ RUN yum install -y make git gcc libcurl-devel sqlite-devel && \
     && chmod +x /usr/local/bin/gosu \
     && gosu nobody true
 RUN mkdir -p /onedrive/conf /onedrive/data
-ADD onedrive /usr/src/onedrive
+ADD . /usr/src/onedrive
 RUN . `bash install.sh -a` && \
     cd /usr/src/onedrive && \
     make install.noservice && \

README.docker.md

@@ -43,8 +43,7 @@ docker start onedrive
 docker rm -f onedrive
 ```
 ## Build instructions
+You can also build your own image instead of pulling the one from dockerhub:
 ```bash
-cd docker
-git clone https://github.com/abraunegg/onedrive
-docker build . -t driveone/onedrive
+docker build . -t onedrive
 ```