Support building site on windows

Author: elizarov

site/build.xml

@@ -0,0 +1,37 @@
+<project name="site" default="site">
+    <target name="site">
+        <copy todir="target">
+            <fileset dir="docs"/>
+            <fileset dir="../kotlinx-coroutines-core/target/dokka" includes="**/*.md"/>
+            <fileset dir="../kotlinx-coroutines-jdk8/target/dokka" includes="**/*.md"/>
+            <fileset dir="../kotlinx-coroutines-nio/target/dokka" includes="**/*.md"/>
+            <fileset dir="../kotlinx-coroutines-swing/target/dokka" includes="**/*.md"/>
+            <fileset dir="../kotlinx-coroutines-javafx/target/dokka" includes="**/*.md"/>
+            <fileset dir="../kotlinx-coroutines-rx/target/dokka" includes="**/*.md"/>
+        </copy>
+        <antcall target="jekyll"/>
+    </target>
+
+    <target name="checkos">
+        <condition property="isWindows" value="true">
+            <os family="windows" />
+        </condition>
+        <condition property="isUnix" value="true">
+            <os family="unix" />
+        </condition>
+    </target>
+
+    <target name="jekyll" depends="checkos, jekyll.windows, jekyll.unix"/>
+
+    <target name="jekyll.windows" if="isWindows">
+        <exec executable="jekyll.bat" dir="target">
+            <arg line="build"/>
+        </exec>
+    </target>
+
+    <target name="jekyll.unix" if="isUnix">
+        <exec executable="jekyll" dir="target">
+            <arg line="build"/>
+        </exec>
+    </target>
+</project>

site/docs/Gemfile.lock

@@ -5,6 +5,7 @@ GEM
       public_suffix (~> 2.0, >= 2.0.2)
     colorator (1.1.0)
     ffi (1.9.17)
+    ffi (1.9.17-x64-mingw32)
     forwardable-extended (2.6.0)
     jekyll (3.4.0)
       addressable (~> 2.4)
@@ -36,16 +37,22 @@ GEM
     rouge (1.11.1)
     safe_yaml (1.0.4)
     sass (3.4.23)
+    thread_safe (0.3.5)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    tzinfo-data (1.2016.10)
+      tzinfo (>= 1.0.0)
 
 PLATFORMS
   ruby
+  x64-mingw32
 
 DEPENDENCIES
   jekyll (= 3.4.0)
   tzinfo-data
 
 RUBY VERSION
-   ruby 2.0.0p648
+   ruby 2.2.6p396
 
 BUNDLED WITH
    1.14.3

site/pom.xml

@@ -76,18 +76,7 @@
                         <phase>site</phase>
                         <configuration>
                             <tasks>
-                                <copy todir="target">
-                                    <fileset dir="docs"/>
-                                    <fileset dir="../kotlinx-coroutines-core/target/dokka" includes="**/*.md"/>
-                                    <fileset dir="../kotlinx-coroutines-jdk8/target/dokka" includes="**/*.md"/>
-                                    <fileset dir="../kotlinx-coroutines-nio/target/dokka" includes="**/*.md"/>
-                                    <fileset dir="../kotlinx-coroutines-swing/target/dokka" includes="**/*.md"/>
-                                    <fileset dir="../kotlinx-coroutines-javafx/target/dokka" includes="**/*.md"/>
-                                    <fileset dir="../kotlinx-coroutines-rx/target/dokka" includes="**/*.md"/>
-                                </copy>
-                                <exec executable="jekyll" dir="target">
-                                    <arg line="build"/>
-                                </exec>
+                                <ant target="site"/>
                             </tasks>
                         </configuration>
                         <goals>