Add shared library type into Travis CI build test matrix.

Site documentation update is skipped when building shared library type.

.travis.yml

@@ -4,8 +4,11 @@ before_install:
     - sudo add-apt-repository ppa:george-edison55/precise-backports -y
     - sudo apt-get update -qq
     - sudo apt-get install -qq libx11-dev libxrandr-dev libasound2-dev libgl1-mesa-dev doxygen graphviz
-script: ./cmake_gcc.sh -DENABLE_64BIT=1 -DENABLE_LUAJIT=1 -DENABLE_LUAJIT_AMALG=1 -DENABLE_SAMPLES=1 -DENABLE_TOOLS=1 -DENABLE_EXTRAS=1 && cd Build && make
+script: ./cmake_gcc.sh -DURHO3D_LIB_TYPE=$TEST_LIB_TYPE -DENABLE_64BIT=1 -DENABLE_LUAJIT=1 -DENABLE_LUAJIT_AMALG=1 -DENABLE_SAMPLES=1 -DENABLE_TOOLS=1 -DENABLE_EXTRAS=1 && cd Build && make
 after_success: rake travis
 env:
   global:
     secure: ST80PPq8cTIZ5WRgX4BJ7gKhHonNge9GdYH0PuTvCZot13Rk+oNkbzkkCT/KuQHmyUU65gE2HCyMYYqNDNyxy0Upi8jMUjgXdy7SN5zORVhyc/Ymfd6rt3sgVOT6YYlbegI3sFLVdaH4jdyyMqPQHW72StZ25NUQi0p682FAGD0=
+  matrix:
+    - TEST_LIB_TYPE=STATIC
+    - TEST_LIB_TYPE=SHARED

Rakefile

@@ -3,8 +3,8 @@ require "rubygems"
 # Usage: NOT intended to be used manually (if you insist then try: GIT_NAME=... GIT_EMAIL=... GH_TOKEN=... TRAVIS_BRANCH=master rake travis)
 desc 'Update site documentation to GitHub Pages'
 task :travis do
-  # Skip documentation update if it is a pull request or if it is a commit in topic branch
-  if ENV['TRAVIS_PULL_REQUEST'].to_i > 0 or ENV['TRAVIS_BRANCH'] != 'master'
+  # Skip documentation update if one of the following conditions is met
+  if ENV['TRAVIS_PULL_REQUEST'].to_i > 0 or ENV['TRAVIS_BRANCH'] != 'master' or ENV['TEST_LIB_TYPE'] == 'SHARED'
     next
   end
   # Pull or clone