Multiple fixes

* Implemented ScriptRunner with environment expansion and cleaner
  code.
* Added ApiClient plugin (com.noccy.apiclient)
* Renamed CHANGELOG.md to VERSIONS.md
* Shuffled buildtools
* Added first unittests

.spark/build/package.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+VERSION="$(git describe --tags)"
+PATH="$PWD/tools:$PATH"
+
+if [ -z "$VERSION" ]; then
+    echo "Could not parse version from git"
+    exit 1
+fi
+
+if [ -z $DESTINATION ]; then
+    DESTINATION="release/$VERSION"
+fi
+echo "  DESTINATION=$DESTINATION"
+
+echo "* Preparing release direcory"
+mkdir -p $DESTINATION
+
+echo "* Building phar archive"
+pharlite &>/dev/null
+
+echo "* Copying files to release directory"
+cp spark.phar $DESTINATION/spark.phar
+cp README.md $DESTINATION/README.md
+cp VERSIONS.md $DESTINATION/VERSIONS.md
+
+echo "* Building dist and source archives"
+7z a -tzip "$DESTINATION/spark-$VERSION-dist.zip" spark.phar plugins README.md VERSIONS.md >/dev/null
+tar cfz "$DESTINATION/spark-$VERSION-dist.tgz" spark.phar plugins README.md VERSIONS.md
+7z a -tzip "$DESTINATION/spark-$VERSION-src.zip" bin src runtime plugins composer.json README.md VERSIONS.md >/dev/null
+tar cfz "$DESTINATION/spark-$VERSION-src.tgz" bin src runtime plugins composer.json README.md VERSIONS.md
+
+echo "* Creating makeself installer"
+test -d release/tmp && rm -rf release/tmp
+mkdir release/tmp
+cp -R spark.phar plugins README.md VERSIONS.md release/tmp/
+pushd release/tmp &>/dev/null
+makeself . ../../$DESTINATION/spark-$VERSION-dist.run "Spark $VERSION" ./spark.phar install &>/dev/null
+popd &>/dev/null
+rm -rf release/tmp
+
+echo -e "  ┌─[$DESTINATION]"
+ls -hl --color=auto $DESTINATION | sed "s/^/  │ /"
+

.spark/build/update-version.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+VERSION="$(git describe --tags)"
+
+if [ -z "$VERSION" ]; then
+    echo "Could not parse version from git"
+    exit 1
+fi
+
+echo -e "<?php define(\"APP_VERSION\", \"$VERSION\");" > src/version
+echo -e "* Version: \e[1m$VERSION\e[0m"
+