Synchronizing with a remote CardDAV server (#42, #138, #139)

+ Updated contacts sql shema (breaking changes)
+ Fixes
- Removed SabreDAV Server
- Removed Contacts Sharing (awhile, code refactoring)

dev/Storages/WebMailAjaxRemote.js

@@ -112,6 +112,31 @@ WebMailAjaxRemoteStorage.prototype.clearTwoFactorInfo = function (fCallback)
 	this.defaultRequest(fCallback, 'ClearTwoFactorInfo');
 };
 
+/**
+ * @param {?Function} fCallback
+ */
+WebMailAjaxRemoteStorage.prototype.contactsSync = function (fCallback)
+{
+	this.defaultRequest(fCallback, 'ContactsSync', null, Consts.Defaults.ContactsSyncAjaxTimeout);
+};
+
+/**
+ * @param {?Function} fCallback
+ * @param {boolean} bEnable
+ * @param {string} sUrl
+ * @param {string} sUser
+ * @param {string} sPassword
+ */
+WebMailAjaxRemoteStorage.prototype.saveContactsSyncData = function (fCallback, bEnable, sUrl, sUser, sPassword)
+{
+	this.defaultRequest(fCallback, 'SaveContactsSyncData', {
+		'Enable': bEnable ? '1' : '0',
+		'Url': sUrl,
+		'User': sUser,
+		'Password': sPassword
+	});
+};
+
 /**
  * @param {?Function} fCallback
  * @param {string} sEmail
@@ -659,13 +684,11 @@ WebMailAjaxRemoteStorage.prototype.contacts = function (fCallback, iOffset, iLim
 /**
  * @param {?Function} fCallback
  */
-WebMailAjaxRemoteStorage.prototype.contactSave = function (fCallback, sRequestUid, sUid, sUidStr, iScopeType, aProperties)
+WebMailAjaxRemoteStorage.prototype.contactSave = function (fCallback, sRequestUid, sUid, aProperties)
 {
 	this.defaultRequest(fCallback, 'ContactSave', {
 		'RequestUid': sRequestUid,
 		'Uid': Utils.trim(sUid),
-		'UidStr': Utils.trim(sUidStr),
-		'ScopeType': iScopeType,
 		'Properties': aProperties
 	});
 };