Fix the Annoy tutorial.
Fix the Annoy tutorial.

Some sections were moved around to meet failing dependencies.

Notebook timings were also run on a fresh kernel to make them accurate.

jaksmid/gensim,quole/gensim,ELind77/gensim,markroxor/gensim,Kreiswolke/gensim,gojomo/gensim,robotcator/gensim,isohyt/gensim,olavurmortensen/gensim,mattilyra/gensim,bhargavvader/gensim,markroxor/gensim,isohyt/gensim,laic/gensim,jaksmid/gensim,tzoiker/gensim,mattilyra/gensim,olavurmortensen/gensim,loisaidasam/gensim,akutuzov/gensim,RaRe-Technologies/gensim,gojomo/gensim,laic/gensim,dsquareindia/gensim,piskvorky/gensim,RaRe-Technologies/gensim,loisaidasam/gensim,tzoiker/gensim,summanlp/gensim,isohyt/gensim,jaksmid/gensim,akutuzov/gensim,Kreiswolke/gensim,quole/gensim,dsquareindia/gensim,ELind77/gensim,summanlp/gensim,piskvorky/gensim,tzoiker/gensim,macks22/gensim,macks22/gensim,RaRe-Technologies/gensim,robotcator/gensim,dsquareindia/gensim,mattilyra/gensim,bhargavvader/gensim,loisaidasam/gensim,RaRe-Technologies/gensim,laic/gensim,gojomo/gensim,Kreiswolke/gensim,summanlp/gensim,gojomo/gensim,macks22/gensim,markroxor/gensim,piskvorky/gensim,quole/gensim,ELind77/gensim,olavurmortensen/gensim,akutuzov/gensim,robotcator/gensim,bhargavvader/gensim