Fixes for jnd_article_category table and some optimizations.
Remiving unnecessary files and non UTF-8 symbols
Merge branch 'master' of https://github.com/idega/com.idega.block.article into BRANCH_PLATFORM_5

Conflicts:
	src/java/com/idega/block/article/bean/ArticleItemBean.java
	src/java/com/idega/block/article/component/EditArticleView.java
	src/java/com/idega/block/article/data/ArticleEntity.java
	src/java/com/idega/block/article/data/CategoryEntity.java
	src/java/com/idega/block/article/data/dao/impl/CategoryDaoImpl.java
	src/java/com/idega/block/article/importer/ArticlesImporter.java