Merge pull request #19 from mrstrlc-yipeng/luyu

matching initial commit
complete update flows, add GraphAPI support

complete the database logics when updating contacts from different
sources. clear database when logging out. add request for common friend
list via Graph API of Facebook and add database update flow for
commonFriendList attribut.
Merge branch 'master' of https://github.com/mrstrlc-yipeng/TrustEvaluationAndroidApp

Conflicts:
	bin/TrustEvaluationAndroidApp.apk
	bin/classes.dex
	bin/resources.ap_
add twitter common friend list task

generate twitter common friend list by REST API. regroup also the db
support for storing common friend lists for all SNS. clean the project
by removing unusable files or libs
Merge branch 'master' into luyu

Conflicts:
	bin/TrustEvaluationAndroidApp.apk
	bin/classes.dex
	bin/classes/fr/utt/isi/tx/trustevaluationandroidapp/ListContactSplittedActivity.class
	bin/classes/fr/utt/isi/tx/trustevaluationandroidapp/R$id.class
	bin/classes/fr/utt/isi/tx/trustevaluationandroidapp/R$string.class
	bin/classes/fr/utt/isi/tx/trustevaluationandroidapp/R$style.class
	bin/resources.ap_
	gen/com/facebook/android/R.java
	gen/fr/utt/isi/tx/trustevaluationandroidapp/R.java
	src/fr/utt/isi/tx/trustevaluationandroidapp/database/TrustEvaluationDbHelper.java
	src/fr/utt/isi/tx/trustevaluationandroidapp/localcontact/LocalContactArrayAdapter.java
	src/fr/utt/isi/tx/trustevaluationandroidapp/localcontact/LocalContactListFragment.java