Add scripts/__pycache__ to .gitignore
Add scripts/__pycache__ to .gitignore

This directory appears to be created each time I run `./scripts/dumpapp`.
That's annoying :)

rickbrew/stetho,sdjtu502/stetho,facebook/stetho,facebook/stetho,HiWong/stetho,briangriffey/stetho,modulexcite/stetho,tryroach/stetho,facebook/stetho,blavalla/stetho,sdjtu502/stetho,awesome-niu/stetho,lbrant/stetho,nickhargreaves/stetho,littlezan/stetho,modulexcite/stetho,potyl/stetho,jtyang/stetho,potyl/stetho,ichub/stetho,hzsweers/stetho,xxjishi/stetho,sam-yr/stetho,HiWong/stetho,tryroach/stetho,xxjishi/stetho,Jericho25/stetho,blavalla/stetho,longinoa/stetho,VEINHORN/stetho,potyl/stetho,jtyang/stetho,sam-yr/stetho,HiWong/stetho,chengky/stetho,johnhiott/stetho,lbrant/stetho,sam-yr/stetho,sdjtu502/stetho,chengky/stetho,VEINHORN/stetho,potyl/stetho,Jericho25/stetho,laiqurufeng/stetho,HappyYang/stetho,awesome-niu/stetho,xxjishi/stetho,laiqurufeng/stetho,felipecsl/stetho,ichub/stetho,longinoa/stetho,modulexcite/stetho,chengky/stetho,VEINHORN/stetho,mengdilin/stetho,nvoron23/stetho,johnhiott/stetho,felipecsl/stetho,briangriffey/stetho,jtyang/stetho,lbrant/stetho,HappyYang/stetho,HiWong/stetho,nickhargreaves/stetho,johnhiott/stetho,facebook/stetho,xxjishi/stetho,lbrant/stetho,sdjtu502/stetho,tryroach/stetho,nickhargreaves/stetho,littlezan/stetho,nvoron23/stetho,ichub/stetho,mengdilin/stetho,rickbrew/stetho,littlezan/stetho,hzsweers/stetho,jtyang/stetho,modulexcite/stetho,rickbrew/stetho,mengdilin/stetho,littlezan/stetho,HappyYang/stetho,felipecsl/stetho,hzsweers/stetho,treejames/stetho,treejames/stetho,laiqurufeng/stetho,felipecsl/stetho,hzsweers/stetho,ichub/stetho,awesome-niu/stetho,mengdilin/stetho,blavalla/stetho,tryroach/stetho,rickbrew/stetho,VEINHORN/stetho,treejames/stetho,chengky/stetho,HappyYang/stetho,blavalla/stetho,Jericho25/stetho,sam-yr/stetho