* #34699: persistent SRTP preferences, TLS not working

res/values-fr/strings_account.xml

res/values/arrays.xml

res/values/strings_account.xml

res/xml/account_general_prefs.xml

res/xml/account_security_prefs.xml

src/org/sflphone/account/AccountDetail.java

src/org/sflphone/account/AccountDetailAdvanced.java

src/org/sflphone/account/AccountDetailSrtp.java

src/org/sflphone/account/CredentialsManager.java

src/org/sflphone/account/TLSManager.java

src/org/sflphone/client/AccountEditionActivity.java

src/org/sflphone/fragments/AudioManagementFragment.java

src/org/sflphone/fragments/MenuFragment.java

src/org/sflphone/fragments/NestedSettingsFragment.java

src/org/sflphone/fragments/SecurityAccountFragment.java

src/org/sflphone/model/Account.java