minor - added required files for teacher graph and changed block names inside plugin infos

plugin/dashboard/block_course/block_course.info

@@ -1,4 +1,4 @@
-name = "Block Course"
+name = "Course Block"
 controller = "BlockCourse"
 description = "Display information about courses inside platform"
 package = Dashboard

plugin/dashboard/block_session/block_session.info

@@ -1,4 +1,4 @@
-name = "Block Session"
+name = "Session Block"
 controller = "BlockSession"
 description = "Display information about sessions inside platform"
 package = Dashboard

plugin/dashboard/block_student/block_student.info

@@ -1,4 +1,4 @@
-name = "Block Student"
+name = "Student Block"
 controller = "BlockStudent"
 description = "Display information about students inside platform"
 package = Dashboard

plugin/dashboard/block_teacher/block_teacher.info

@@ -1,4 +1,4 @@
-name = "Block Teacher"
+name = "Teacher Block"
 controller = "BlockTeacher"
 description = "Display information about teachers inside platform"
 package = Dashboard

plugin/dashboard/block_teacher_graph/block_teacher_graph.class.php

@@ -12,6 +12,11 @@
 require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
 require_once api_get_path(LIBRARY_PATH).'course.lib.php';
 require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
+require_once api_get_path(LIBRARY_PATH).'pchart/pData.class.php';
+require_once api_get_path(LIBRARY_PATH).'pchart/pChart.class.php';
+require_once api_get_path(LIBRARY_PATH).'pchart/pCache.class.php';
+
+
 
 /**
  * This class is used like controller for teacher graph block plugin,