Add exec right to seqclean binaries

trunk/doc/lib/src/Dockerfile

@@ -96,10 +96,12 @@ RUN cd /usr/local/bin \
 
 ## -- install seqclean -- ##
 ## unable to dowload archives from occams.dfci.harvard.edu with curl; use wget ##
+## the chmod command allows a local user to run seqclean
 RUN cd /usr/local/src \
 	&& wget ftp://occams.dfci.harvard.edu/pub/bio/tgi/software/seqclean/seqclean_x86_64.tar.gz \
 	&& tar -xzf seqclean_x86_64.tar.gz && rm -f seqclean_x86_64.tar.gz \
-	&& ln -s $PWD/seqclean/seqclean /usr/local/bin/seqclean
+	&& ln -s $PWD/seqclean/seqclean /usr/local/bin/seqclean \
+	&& chmod +rx /usr/local/src/seqclean/bin/*
 ENV PATH /usr/local/src/seqclean/bin:$PATH
 
 ## -- install tgicl -- ##