Started adding infrastructure to error code system

(1) Made ArticleListActivity try/catch statements more informative
(2) Made ArticleViewActivity try/catch statements more informative
(3) Added some try/catch statements to ArticleViewActivity for GUI actions.
Merge branch 'master' of https://github.com/Flauschig/whitworthian_basefiles into iss17

Conflicts:
	app/src/main/java/mayhem/whitworthian_v2/app/ArticleViewActivity.java
Merge pull request #19 from Flauschig/iss17

Iss17