Fixed PHP deprecated assigning of return value.

(E_DEPRECATED) php warning: Assigning the return value of new by reference is deprecated
Fixed PHP deprecated assigning of return value #2

PHP Strict error "Assigning the return value of new by reference is deprecated".
OT_Settings
consolidate encode & decode functions
replace file_get_contents with wp_remote_get
version bump
consolidate file operations
document functions
rename get_settings method
rename add_contextual_help
update docs & replace include with load_template
update changelog
update pot file
Merge branch 'patch-2' of https://github.com/DeanMarkTaylor/option-tree into DeanMarkTaylor-patch-2
Merge branch 'patch-1' of https://github.com/DeanMarkTaylor/option-tree into DeanMarkTaylor-patch-1
Merge branch 'DeanMarkTaylor-patch-1' into wip
remove added line
update changelog
fixed Media Upload not working on some servers
Update ot-admin.js

fixed Media Upload not working on some servers
Update readme.txt

update changelog