CC-2518: Auto install script for manual install

- install dir is renamed to install_minimal
- virtualenv command is moved to install script.
- need more work on install_full part

install_minimal/DoctrineMigrations/Version20110711161043.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace DoctrineMigrations;
+
+/*
+1) update cc_files table to include to "directory" column
+2) create a foreign key relationship from cc_files to cc_music_dirs
+3) create a foreign key relationship from cc_schedule to cc_files
+*/
+
+use Doctrine\DBAL\Migrations\AbstractMigration,
+    Doctrine\DBAL\Schema\Schema;
+
+class Version20110711161043 extends AbstractMigration
+{
+    public function up(Schema $schema)
+    {
+        /* 1) update cc_files table to include to "directory" column */
+        $this->_addSql("INSERT INTO cc_music_dirs (type, directory) VALUES ('stor', '/srv/airtime/stor');");
+        
+        $this->_addSql("INSERT INTO cc_music_dirs (type, directory) VALUES ('upgrade', '');");
+
+        $cc_music_dirs = $schema->getTable('cc_music_dirs');
+    
+        /* 2) create a foreign key relationship from cc_files to cc_music_dirs */
+        $cc_files = $schema->getTable('cc_files');
+        $cc_files->addColumn('directory', 'integer', array('default'=> 2));
+
+        $cc_files->addNamedForeignKeyConstraint('cc_music_dirs_folder_fkey', $cc_music_dirs, array('directory'), array('id'), array('onDelete' => 'CASCADE'));
+        
+        /* 3) create a foreign key relationship from cc_schedule to cc_files */
+        $cc_schedule = $schema->getTable('cc_schedule');
+        $cc_schedule->addNamedForeignKeyConstraint('cc_files_folder_fkey', $cc_files, array('file_id'), array('id'), array('onDelete' => 'CASCADE'));
+    }
+    
+    public function down(Schema $schema)
+    {
+
+    }
+}