Added autofix script (#639)

scripts/autofix.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+cd "$SCRIPT_DIR/.."
+
+# Clippy checks
+if [ "$1" != "--no-clean" ]; then
+   # Usually, we want to clean, since clippy won't work otherwise.
+   echo "[+] Cleaning up previous builds..."
+   cargo clean -p libafl
+fi
+echo 
+
+echo "[+] Fixing build"
+cargo +nightly fix --workspace --all-features
+
+echo "[+] Done fixing build"
+echo 
+
+echo 'Fixing clippy (might need a "git commit" and a rerun, if "cargo fix" changed the source)'
+RUST_BACKTRACE=full cargo +nightly clippy --fix --all --all-features --tests -- -Z macro-backtrace \
+   -D clippy::all \
+   -D clippy::pedantic \
+   -W clippy::similar_names \
+   -A clippy::type_repetition_in_bounds \
+   -A clippy::missing-errors-doc \
+   -A clippy::cast-possible-truncation \
+   -A clippy::used-underscore-binding \
+   -A clippy::ptr-as-ptr \
+   -A clippy::missing-panics-doc \
+   -A clippy::missing-docs-in-private-items \
+   -A clippy::unseparated-literal-suffix \
+   -A clippy::module-name-repetitions \
+   -A clippy::unreadable-literal \
+
+echo "[+] Done fixing clippy"
+echo
+
+echo "Formatting all"
+"$SCRIPT_DIR/fmt_all.sh"