Started the kotlin track

kotlin/rna-transcription/README.md

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+# RNA Transcription
+
+Given a DNA strand, return its RNA complement (per RNA transcription).
+
+Both DNA and RNA strands are a sequence of nucleotides.
+
+The four nucleotides found in DNA are adenine (**A**), cytosine (**C**),
+guanine (**G**) and thymine (**T**).
+
+The four nucleotides found in RNA are adenine (**A**), cytosine (**C**),
+guanine (**G**) and uracil (**U**).
+
+Given a DNA strand, its transcribed RNA strand is formed by replacing
+each nucleotide with its complement:
+
+* `G` -> `C`
+* `C` -> `G`
+* `T` -> `A`
+* `A` -> `U`
+
+
+
+## Source
+
+Rosalind [http://rosalind.info/problems/rna](http://rosalind.info/problems/rna)
+
+## Submitting Incomplete Solutions
+It's possible to submit an incomplete solution so you can see how others have completed the exercise.

kotlin/rna-transcription/build.gradle

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+buildscript {
+  ext.kotlin_version = '1.2.40'
+  repositories {
+    mavenCentral()
+  }
+  dependencies {
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+  }
+}
+
+apply plugin: 'kotlin'
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+  testCompile 'junit:junit:4.12'
+  testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
+}
+test {
+  testLogging {
+    exceptionFormat = 'full'
+    events = ["passed", "failed", "skipped"]
+  }
+}

kotlin/rna-transcription/src/main/kotlin/RnaTranscription.kt

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+fun transcribeToRna(dna: String): String = ""

kotlin/rna-transcription/src/test/kotlin/RnaTranscriptionTest.kt

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+import org.junit.Test
+import org.junit.Ignore
+import kotlin.test.assertEquals
+
+class RnaTranscriptionTest {
+
+    /*
+      In Kotlin functions can be declared at top level in a file, meaning
+      you do not need to create a class to hold a function, like languages
+      such as Java, C# or Scala.
+
+      http://kotlinlang.org/docs/reference/functions.html#function-scope
+
+     */
+
+    @Test
+    fun cytosineComplementIsGuanine() {
+        assertEquals("G", transcribeToRna("C"))
+    }
+
+    @Ignore
+    @Test
+    fun guanineComplementIsCytosine() {
+        assertEquals("C", transcribeToRna("G"))
+    }
+
+    @Ignore
+    @Test
+    fun thymineComplementIsAdenine() {
+        assertEquals("A", transcribeToRna("T"))
+    }
+
+    @Ignore
+    @Test
+    fun adenineComplementIsUracil() {
+        assertEquals("U", transcribeToRna("A"))
+    }
+
+    @Ignore
+    @Test
+    fun rnaTranscription() {
+        assertEquals("UGCACCAGAAUU", transcribeToRna("ACGTGGTCTTAA"))
+    }
+
+}