Relocate robot standard script tools

Changes:
    - Move robot_standards and robot_custom_rules.py
      script files to tools directory
    - Change permission to executable for scripts

Tested: - NA
Change-Id: I68754b4ed537df3a3b2985d905e29d50846bdeb7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tools/cleanup_bmc.robot b/tools/cleanup_bmc.robot
old mode 100644
new mode 100755
diff --git a/tools/factory_reset_bmc.robot b/tools/factory_reset_bmc.robot
old mode 100644
new mode 100755
diff --git a/tools/github_issues_to_csv b/tools/github_issues_to_csv
old mode 100644
new mode 100755
diff --git a/robot_custom_rules.py b/tools/robot_custom_rules.py
old mode 100644
new mode 100755
similarity index 100%
rename from robot_custom_rules.py
rename to tools/robot_custom_rules.py
diff --git a/robot_standards b/tools/robot_standards
old mode 100644
new mode 100755
similarity index 100%
rename from robot_standards
rename to tools/robot_standards
diff --git a/tools/update_mac.robot b/tools/update_mac.robot
old mode 100644
new mode 100755