Added persistence support for Eiffel sqlite3 wrapper.

Updated existing persistency solution to be more generic to any db solution.

examples/demo/site/config/cms.ini

@@ -9,9 +9,9 @@ email=your@email.com
 theme=bootstrap
 
 [mailer]
-smtp=localhost:25
+#smtp=localhost:25
 #sendmail=/usr/bin/sendmail
-#output=@stderr
+output=@stderr
 
 [modules]
 # Module status
@@ -45,3 +45,4 @@ feed.forum.condition=is_front
 [admin]
 # CMS Installation, are accessible by "all", "none" or uppon "permission". (default is none)
 installation_access=permission
+installation_access=all

examples/demo/site/config/demo.json

@@ -1,10 +1,15 @@
 {
 	"database": {
 		"datasource": {
-			"driver": "odbc",
-			"environment": "odbc-sqlite"
+			"driver": "sqlite3",
+			"environment": "sqlite3",
+			"-driver": "odbc",
+			"-environment": "odbc-sqlite"
 		},
 		"environments": {
+			"sqlite3": {
+				"connection_string":"Database=./site/database.sqlite3;"
+			},
 			"odbc-sqlite": {
 				"connection_string":"Driver=SQLite3 ODBC Driver;Database=./site/database.sqlite;LongNames=0;Timeout=1000;NoTXN=0;SyncPragma=NORMAL;StepAPI=0;"
 			},