Initial travis build files

.travis.yml

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+branches:
+  only:
+    - feature/travis-build
+os:
+  - linux
+  - osx
+language: generic
+env:
+  global:
+  - SWIFT_VERSION=DEVELOPMENT-SNAPSHOT-2016-05-03-a
+sudo: required
+dist: trusty
+osx_image: xcode7.3
+install:
+  - eval "$(cat ./install-swiftenv.sh)"
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+      sudo apt-get install -y libcurl4-openssl-dev libblocksruntime-dev libkqueue-dev libpthread-workqueue-dev libbsd-dev;
+      git clone -b experimental/foundation https://github.com/apple/swift-corelibs-libdispatch.git;
+      cd swift-corelibs-libdispatch && git submodule init && git submodule update && sh ./autogen.sh && ./configure --with-swift-toolchain=/home/travis/.swiftenv/versions/$SWIFT_VERSION/usr --prefix=/home/travis/.swiftenv/versions/$SWIFT_VERSION/usr && make && make install;
+    fi
+script:
+  - swift build --fetch # clones all dependencies
+  - swift build -Xcc -fblocks -Xlinker -ldispatch -Xlinker -rpath -Xlinker $(pwd)/.build/debug/

install-swiftenv.sh

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+#!/usr/bin/env bash
+# Automatically installs swiftenv and run's swiftenv install.
+# This script was designed for usage in CI systems.
+
+git clone --depth 1 https://github.com/kylef/swiftenv.git ~/.swiftenv
+export SWIFTENV_ROOT="$HOME/.swiftenv"
+export PATH="$SWIFTENV_ROOT/bin:$SWIFTENV_ROOT/shims:$PATH"
+
+if [ -f ".swift-version" ] || [ -n "$SWIFT_VERSION" ]; then
+  swiftenv install
+else
+  swiftenv rehash
+fi