Gradle + CI improvements

Closes she/spesb#7

uc1-application/build.gradle

-apply plugin: 'application'
-apply plugin: 'eclipse'
-
-buildscript {
-  repositories {
-    maven {
-      url "https://plugins.gradle.org/m2/"
-    }
-  }
-}
-
-sourceCompatibility = "1.11"
-targetCompatibility = "1.11"
-
-dependencies {
-    compile project(':')
-    
-    compile 'org.slf4j:slf4j-simple:1.6.1'
-
-    // Use JUnit test framework
-    testCompile 'junit:junit:4.12'
-}
-
 mainClassName = "uc1.application.HistoryService"
-
-eclipse {
-    classpath {
-       downloadSources=true
-       downloadJavadoc=true
-    }
-}
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