topic color generation, page titles, badge padding, css fixes

vipra-cmd/src/main/java/de/vipra/cmd/lda/Analyzer.java

...src/main/java/de/vipra/cmd/option/CreateModelCommand.java

...-cmd/src/main/java/de/vipra/cmd/option/ImportCommand.java

vipra-ui/app/html/articles/index.html

vipra-ui/app/html/directives/article-link.html

vipra-ui/app/html/entities/index.html

vipra-ui/app/html/index.html

vipra-ui/app/html/partials/topicmodel-popover.html

vipra-ui/app/html/topics/index.html

vipra-ui/app/html/words/index.html

vipra-ui/app/index.html

vipra-ui/app/js/controllers.js

vipra-ui/app/less/app.less

vipra-util/src/main/java/de/vipra/util/ColorUtils.java

vipra-util/src/main/java/de/vipra/util/model/Topic.java

vipra-util/src/main/java/de/vipra/util/model/TopicFull.java

...til/src/main/java/de/vipra/util/model/TopicModelFull.java