Revert "Merge pull request #200 from sigp/new-structure"

This reverts commit d7a3545be1, reversing
changes made to 1da06c156c.

Jenkinsfile

@@ -0,0 +1,20 @@
+pipeline {
+    agent {
+		dockerfile {
+			filename 'Dockerfile'
+			args '-v cargo-cache:/cargocache:rw -e "CARGO_HOME=/cargocache"'
+		}
+	}
+    stages {
+        stage('Build') {
+            steps {
+                sh 'cargo build'
+            }
+        }
+        stage('Test') {
+			steps {
+				sh 'cargo test --all'
+			}
+		}
+    }
+}