Removed trailing white spaces

Removed trailing whitespaces with

```sh
for file in `grep -r " $" * | cut -d : -f 1 | sort | uniq | grep -v " "`; do sed -i 's/[ \t]*$//' $file; done
```

and some handwork.

scripts/start.sh

@@ -5,7 +5,7 @@
 #
 # start gogs web
 #
-IFS=' 
+IFS='
 	'
 PATH=/bin:/usr/bin:/usr/local/bin
 USER=$(whoami)