Rector V1.5: the sharing update

patch notes:

- replaced mirror mode with the much more interesting remix mode

- added level sharing

- added flavor text to the end screen

uhh for some reason you cant paste text in the web version, i'll probably fix that in another update

if your reading this, heres a level code:

100,0.3 0.3 0.3,1,erase test/436.0,69.0,195.0,120.0,spring/849.0,-177.0,236.0,97.0,spring/1405.0,-324.0,320.0,120.0,spring/-287.0,181.0,995.0,226.0,wall,0.7 0.7 0.7/824.0,-84.0,303.0,92.0,wall,0.7 0.7 0.7/1361.0,-220.0,431.0,87.0,wall,0.7 0.7 0.7/1925.0,-511.0,734.0,215.0,wall,0.7 0.7 0.7/-1071.0,157.0,595.0,194.0,wall,0.7 0.7 0.7/-1125.0,-267.0,209.0,603.0,wall,0.7 0.7 0.7/-1128.0,-315.0,652.0,168.0,wall,0.7 0.7 0.7/-581.0,-147.0,109.0,307.0,wall,0.6 0.2 0.2/-816.0,-36.0,129.0,193.0,end/2081.0,-1004.0,434.0,408.0,wall,0.7 0.7 0.7/2503.0,-1004.0,156.0,624.0,wall,0.7 0.7 0.7/2231.0,-584.0,65.0,53.0,erase,0.9 0.8 0.1/2371.0,-580.0,49.0,49.0,erase,0.6 0.2 0.2