Update Dockerfile

add `git checkout -- .` to Dockerfile run command as `make update` does not do this for the main TA repository*, and if there are outstanding changes, the built code will not be the latest. Also swap chaining commands with `;` to using `&&` as all steps should be completed successfully.

Dockerfile

@@ -6,7 +6,7 @@ FROM anniesoft/toolanalysis:base
 ### Run the following commands as super user (root):
 USER root
 
-Run cd ToolAnalysis; bash -c "source Setup.sh; make update; make;"
+Run cd ToolAnalysis; bash -c "source Setup.sh && git checkout -- . && make update && make"
 
 ### Open terminal
 CMD ["/bin/bash"]