Added better error catching for problems with the
internet connection. Added support for the search
button. Removed the white space that was appearing at
the top of the news group list
Added back in the catch for WebNews being down.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/edu/rit/csh/androidwebnews/ComposeActivity.java
	src/edu/rit/csh/androidwebnews/DisplayThreadsActivity.java
	src/edu/rit/csh/androidwebnews/HttpsConnector.java
	src/edu/rit/csh/androidwebnews/InfoActivity.java
	src/edu/rit/csh/androidwebnews/PostSwipableActivity.java
	src/edu/rit/csh/androidwebnews/SearchActivity.java
	src/edu/rit/csh/androidwebnews/SearchResultsActivity.java
	src/edu/rit/csh/androidwebnews/SettingsActivity.java