build+ci: Upgrade build scripts, enable coverage and sanitizer flags

Change-Id: I825ea4fdf4f40c4af06b5667af432f1c0eab368d
diff --git a/.jenkins b/.jenkins
index b933b31..674d751 100755
--- a/.jenkins
+++ b/.jenkins
@@ -1,9 +1,10 @@
 #!/usr/bin/env bash
 set -e
 
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
-for i in `find "$DIR/.jenkins.d" -type f -perm +111 | sort`; do
-    echo "Run: $i"
-    $i
-done
\ No newline at end of file
+for file in "$DIR"/.jenkins.d/*; do
+    [[ -f $file && -x $file ]] || continue
+    echo "Run: $file"
+    "$file"
+done