Try and catch blocks added, plus internet checks
Merge branch 'master' of https://github.com/madnessxd/almende

Conflicts:
	AlmendeMotivator/src/alm/motiv/AlmendeMotivator/ChallengeOverviewActivity.java
	AlmendeMotivator/src/alm/motiv/AlmendeMotivator/ChallengeViewActivity.java
Added try and catch and internet checks