Release of v5.0.0-alpha8

Add power path override option on component level. Fix the sql build feature. #1032.

admin/sql/updates/mysql/5.0.0-alpha7.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `#__componentbuilder_joomla_component` ADD `add_jcb_powers_path` TINYINT(1) NOT NULL DEFAULT 0 AFTER `add_javascript`;
+
+ALTER TABLE `#__componentbuilder_joomla_component` ADD `jcb_powers_path` VARCHAR(255) NOT NULL DEFAULT '' AFTER `javascript`;