Release: 2.4.3

Issue tracker for 2.4.3

- [x] Filter ot_line_height_range_interval misnamed as ot_line_height_unit_type #397 
- [x] Theme Check Plugin throwing "required" alert for using screen_icon() #392  
- [x] A conflict with another plugin which use media uploader in front-end #389  
- [x] Export theme options doesn't export the Social Links list #382 
- [x] Increase condition performance #380 
- [x] add custom style classes to list-item settings  #377 
- [x] Check for post_title instead of post_name in ot_get_media_post_ID() #372 
- [x] WordPress 4.0 compatibility testing.
- [x] Add padding to options inside List Items