Customizations for WRDSB

+ added shortcode hint to the header of table list of sliders
+ set defaults to WRDSB standard
- commented out uninstall link
- commented out Themes and Plugins link (undeveloped)
- commented out Tutorials link (undeveloped)
Customization to fonts and display for WRDSB

+ rearranged font order
+ set default button and next/prev buttons (WRDSB) (navstyle to
nav_style4, arrstyle to arr_style3
Open/Close Function for General Settings

+ open close functionality for General Settings box to reduce
immediately viewable options on creating or editing a slider
Merge pull request #1 from wrdsb/bug-smashing

Bug smashing