reducing warnings and errors
added missing gradle wrapper. build app by running "./gradlew assembleDebug"
reduced multiple code blocks by adding BaseActionBarActivity class.
fixed warnings: removed unused strings...
added travis ci support
Rename README to README.md
added error handling for wrong user ids or wrong tokens
fixing bug: article list scrolling back to top after reading article.
Merge branch 'rss-feed' of github.com:kevmeyer/android-app into rss-feed
updating target api (21)
using support library 21 to add material action bar.
updated trvs
improving article list: adding host label
cleaning up source code
show error messages when feed downloading is not successful.
fixing issue #45: removing leading, trailing and multiple whitespaces.
using master repository for build status image by travis ci in readme
added URL Parser for sharing option.
Merge pull request #47 from kevmeyer/rss-feed

Updating ActionBarTheme, added error messages