Fixed site generation (paths & build script)

Author: elizarov

build.gradle

@@ -142,8 +142,9 @@ configure(subprojects.findAll { !unpublished.contains(it.name) }) {
         jdkVersion = 8
         includes = ['README.md']
         linkMapping {
+            def relPath = rootProject.projectDir.toPath().relativize(projectDir.toPath())
             dir = "$projectDir/src/main/kotlin"
-            url = "http://github.com/kotlin/kotlinx.coroutines/tree/master/${project.name}/src/main/kotlin"
+            url = "http://github.com/kotlin/kotlinx.coroutines/tree/master/$relPath/src/main/kotlin"
             suffix = "#L"
         }
     }

site/build.gradle

@@ -1,14 +1,10 @@
 
-task copyDocs(dependsOn: rootProject.getTasksByName("dokka", true)) {
-    copy {
-        from rootProject.getTasksByName("dokka", true).collect { "$it.project.buildDir/dokka" }
+task copyDocs(type: Copy, dependsOn: rootProject.getTasksByName("dokka", true)) {
+    from (rootProject.getTasksByName("dokka", true).collect { "$it.project.buildDir/dokka" }) {
         include "**/*.md"
-        into "$buildDir/gh-pages"
-    }
-    copy {
-        from "docs"
-        into "$buildDir/gh-pages"
     }
+    from "docs"
+    into "$buildDir/gh-pages"
 }
 
 task site(type: Exec, description: 'Generate github pages', dependsOn: copyDocs) {