Project restructure + cross-building (#1)

* POM: Move everything into a single module

* POM: Scala cross-compilation

* add comment to build-all.sh

* Switch to Scala 2.12 as a default version

* Change version to 0.0.1-SNAPSHOT

Author: wajda

.gitignore

@@ -1,4 +1,5 @@
 target/
+pom.xml.bkp
 pom.xml.tag
 pom.xml.releaseBackup
 pom.xml.versionsBackup

build-all.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# THIS SCRIPT IS INTENDED FOR LOCAL DEV USAGE ONLY
+#
+
+BASE_DIR=$(dirname "$0")
+
+cross_build() {
+  SCALA_VER=$1
+  echo "Building with Scala $SCALA_VER"
+  find $BASE_DIR/target/* -type d -exec rm -rf {} \;
+  mvn scala-cross-build:change-version -Pscala-$SCALA_VER
+  mvn install
+}
+
+# ------------------------------------------------
+
+mvn clean
+
+cross_build 2.11
+cross_build 2.12
+
+mvn scala-cross-build:restore-version