jni: Add all dependencies and their compilation scripts

Compilation has been verified for all target platforms using a slightly
modified version of CrystaX NDK 10.1.0 (the issue has been resolved with
not yet release 10.2.0)

Change-Id: I99f6c270ae8732adfa402d75ba04f42b179a1a9b
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
new file mode 100755
index 0000000..c69e3fb
--- /dev/null
+++ b/.jenkins.d/00-deps.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+echo -en 'travis_fold:start:deps\r'
+
+sudo apt-get install -y build-essential git openjdk-7-jdk unzip p7zip-full
+
+# SDK binaries need i386 libraries
+sudo dpkg --add-architecture i386;
+sudo apt-get update -qq; sudo apt-get install -y libc6:i386 libncurses5:i386 libstdc++6:i386 zlib1g:i386
+
+echo -en 'travis_fold:end:deps\r'
diff --git a/.jenkins.d/10-get-ndk.sh b/.jenkins.d/10-get-ndk.sh
new file mode 100755
index 0000000..79368f0
--- /dev/null
+++ b/.jenkins.d/10-get-ndk.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+if [ ! -f downloads/crystax-ndk-10.1.0-linux-x86_64.7z ]; then
+    mkdir downloads || true
+    cd downloads
+    wget --no-check-certificate https://www.crystax.net/download/crystax-ndk-10.1.0-linux-x86_64.7z
+    cd ..
+fi
+
+if [ ! -d crystax-ndk-10.1.0 ]; then
+  echo -en 'travis_fold:start:NDK\r'
+  7z x downloads/crystax-ndk-10.1.0-linux-x86_64.7z > /dev/null
+  find crystax-ndk-10.1.0 -name byteswap.h -exec sed -i -e 's/ swap/ bswap/g' {} \;
+  echo -en 'travis_fold:end:NDK\r'
+fi
+
+echo ndk.dir=`pwd`/crystax-ndk-10.1.0 >> local.properties
diff --git a/.jenkins.d/10-get-sdk.sh b/.jenkins.d/10-get-sdk.sh
new file mode 100644
index 0000000..e17e09c
--- /dev/null
+++ b/.jenkins.d/10-get-sdk.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+SDK_TOOLS_VERSION=24.0.2
+BUILD_TOOLS_VERSION=21.1.2
+COMPILE_SDK_VERSION=21
+
+export ANDROID_HOME=`pwd`/android-sdk-linux
+export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
+export PATH=$PATH:`pwd`/gradle-2.2.1/bin
+
+if [ ! -d android-sdk-linux ]; then
+    wget -q http://dl.google.com/android/android-sdk_r24.0.2-linux.tgz
+    tar zxf android-sdk_r24.0.2-linux.tgz
+    rm android-sdk_r24.0.2-linux.tgz
+
+    echo "y" | android update sdk --filter platform-tools,build-tools-$BUILD_TOOLS_VERSION,android-$COMPILE_SDK_VERSION,extra-android-support,extra-android-m2repository,extra-google-m2repository --no-ui --all --force
+    echo "y" | android update sdk --filter "android-19" --no-ui --all --force
+fi
+
+wget -q https://services.gradle.org/distributions/gradle-2.2.1-bin.zip
+unzip gradle-2.2.1-bin.zip
+rm gradle-2.2.1-bin.zip
+
+echo sdk.dir=`pwd`/android-sdk-linux >> local.properties