commit on the ModelResponseListener and LoginActivity
Merge branch 'master' of https://github.com/CtoTeam/cto-android-project

Conflicts:
	CertificateChecker/src/cto/team/certificatechecker/networking/response/ProgressResponseListener.java
	CertificateChecker/src/cto/team/certificatechecker/networking/utils/ServerAPI.java
	CertificateChecker/src/cto/team/certificatechecker/ui/activities/NetworkActivity.java
showProgressBar