Minor edit world update
World list filter returns no results by default [#59434718] #72
Search prompt on world list page if no results are returned [#59434718] #72
Search boxes on results page have a more desirable behavior

[#59434718] #72
Merge pull request #94 from adlnet/world_list_search

World list search feature merge
Updated Github banner link
fixed several small bugs, clone object materials failing to tile, update view callbacks from renderer, audio creating too many liseners
Merge branch 'development' of https://github.com/adlnet/Sandbox into development
bump version number, fix typo
ignore startup.bat in git
fixes related to versioned url
Merge branch 'v0.4.4_candidate' into development
thumbnails for all worlds!
chaged version flag to cc
collision between texture thumbnail and world thumbnails