Updated screenshots (#278)

* Added screenshots

* Delete source/_static/images/applications/conference_controls/place_holder

* Added screenshots

* Update conference_controls.md

* Rename fusionpbx_conference_controls1.png to fusionpbx_conference_profiles1.png

* Rename fusionpbx_conference_controls2.png to fusionpbx_conference_profiles2.png

* Update conference_profiles.md

source/_static/images/applications/conference_controls/place_holder

@@ -1 +0,0 @@
-

source/applications/conference_controls.md

@@ -3,11 +3,11 @@
 Call controls enable ability to assign digits to actions. They can be
 used to mute, unmute, or other actions during the conference call.
 
-![image](../_static/images/applications/fusionpbx_conference_controls.jpg)
+![image](../_static/images/applications/conference_controls/fusionpbx_conference_controls1.png)
 
 -   Click the edit icon on the right to adjust the control
--   Click the plus to create a new control set
+-   Click **ADD** to create a new control set
 
 ## Default Conference Control
 
-![image](../_static/images/applications/fusionpbx_conference_controls1.jpg)
+![image](../_static/images/applications/conference_controls/fusionpbx_conference_controls2.png)

source/applications/conference_profiles.md

@@ -2,14 +2,14 @@
 
 A group of conference parameters saved together as a profile.
 
-![image](../_static/images/applications/fusionpbx_conference_profiles.jpg)
+![image](../_static/images/applications/conference_profiles/fusionpbx_conference_profiles1.png)
 
--   Click the edit icon on the right to adjust the profile
--   Click the plus to create a new profile
+-   Click the setting to edit the profile
+-   Click **ADD** to create a new profile
 
 ## Default Profile
 
-![image](../_static/images/applications/conference_profiles/fusionpbx_conference_profiles.jpg)
+![image](../_static/images/applications/conference_profiles/fusionpbx_conference_profiles2.png)
 
 -   cdr-log-dir: Set as auto. Could be set manually and is enabled.
 -   domain: enabled.