add minor cleanup scripts for naming

.scripts/cleanup.sh

@@ -0,0 +1,15 @@
+#! /bin/bash
+
+find -E . -regex '.*(pdf)$' -type f | while read f
+do
+    p="$(basename "$f")"
+    dir="$(dirname "$f")"
+    lc=$(echo ${p} | tr '[:upper:]' '[:lower:]' \
+        | tr '_' '-' | tr -d ':' | tr -d ',' | tr '[:blank:]' '-' \
+        | sed 's/\-\-*/-/')
+
+    if [ "$p" != "$lc" ]
+    then
+        git mv -f "$dir/$p" "$dir/$lc"
+    fi
+done