Add .travis.yml

TODO:
 - Fix and enable OSX build support
 - Enable Windows (mingw) build support

.travis.yml

@@ -0,0 +1,41 @@
+language: cpp
+
+os:
+  - linux
+
+cache:
+  apt: true
+  ccache: true
+  directories:
+    - $HOME/boost
+
+env:
+  global:
+    - BOOST_URL=http://ftp.osuosl.org/pub/blfs/conglomeration/boost/boost_1_63_0.tar.bz2
+
+compiler:
+  - gcc
+  - clang
+
+addons:
+  apt:
+    packages:
+      - qtbase5-dev
+
+before_install:
+  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew update; fi
+  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew install qt5; fi
+
+before_script:
+  - if [ ! -f $HOME/boost/.built ]; then curl -fOL $BOOST_URL; fi
+  - if [ ! -f $HOME/boost/.built ]; then tar xjf boost_1_63_0.tar.bz2; fi
+  - if [ ! -f $HOME/boost/.built ]; then cd boost_1_63_0; fi
+  - if [ ! -f $HOME/boost/.built ]; then rm -f project-config.jam; fi
+  - if [ ! -f $HOME/boost/.built ]; then ./bootstrap.sh; fi
+  - if [ ! -f $HOME/boost/.built ]; then ./b2 --with-atomic --with-chrono --with-filesystem --with-log --with-program_options --with-regex --with-system --with-thread --no-samples --no-tests link=static threading=multi --prefix=$HOME/boost/$TRAVIS_OS_NAME/$CC install; fi
+  - if [ ! -f $HOME/boost/.built ]; then touch $HOME/boost/.built; fi
+  - cd $TRAVIS_BUILD_DIR
+  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then cmake -DBOOST_ROOT=$HOME/boost/$TRAVIS_OS_NAME/$CC -DQt5_DIR=/usr/local/opt/qt/lib/cmake/Qt5 -DRAIBLOCKS_GUI=ON .; else cmake -DBOOST_ROOT=$HOME/boost/$TRAVIS_OS_NAME/$CC -DRAIBLOCKS_GUI=ON .; fi
+
+script:
+  - make -j3 rai_node rai_wallet