Merge remote-tracking branch 'origin/master'

...avoirfairelinux/sflphone/account/AccountManagementUI.java

...rfairelinux/sflphone/account/AccountSelectionSpinner.java

...fairelinux/sflphone/adapters/AccountSelectionAdapter.java

...avoirfairelinux/sflphone/adapters/CallElementAdapter.java

...avoirfairelinux/sflphone/client/SFLPhoneHomeActivity.java

...savoirfairelinux/sflphone/client/SFLphoneApplication.java

...relinux/sflphone/client/receiver/AccountListReceiver.java

...fairelinux/sflphone/client/receiver/CallListReceiver.java

...airelinux/sflphone/fragments/CallElementListFragment.java

...oirfairelinux/sflphone/fragments/ContactListFragment.java

src/com/savoirfairelinux/sflphone/model/SipCall.java

src/com/savoirfairelinux/sflphone/service/ISipClient.aidl

src/com/savoirfairelinux/sflphone/service/ISipService.aidl

src/com/savoirfairelinux/sflphone/service/SipService.java