Auto merge of #7769 - mbrubeck:notify-linux2, r=frewsxcv
Auto merge of #7769 - mbrubeck:notify-linux2, r=frewsxcv

Fix build notifications in Python 2.x on Linux

In Python 2.x on Linux, `sys.platform == 'linux2'`.

https://docs.python.org/2/library/sys.html#sys.platform

r? @frewsxcv

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saneyuki/servo,pyfisch/servo,canaltinova/servo,peterjoel/servo,jimberlage/servo,CJ8664/servo,cbrewster/servo,dsandeephegde/servo,nrc/servo,mattnenterprise/servo,szeged/servo,rnestler/servo,CJ8664/servo,eddyb/servo,steveklabnik/servo,nnethercote/servo,thiagopnts/servo,SimonSapin/servo,mattnenterprise/servo,larsbergstrom/servo,splav/servo,upsuper/servo,rnestler/servo,notriddle/servo,sadmansk/servo,eddyb/servo,thiagopnts/servo,DominoTree/servo,pyfisch/servo,emilio/servo,dsandeephegde/servo,notriddle/servo,eddyb/servo,SimonSapin/servo,rnestler/servo,dati91/servo,eddyb/servo,notriddle/servo,DominoTree/servo,paulrouget/servo,canaltinova/servo,dsandeephegde/servo,rnestler/servo,notriddle/servo,notriddle/servo,upsuper/servo,paulrouget/servo,mbrubeck/servo,ConnorGBrewster/servo,eddyb/servo,splav/servo,fiji-flo/servo,mattnenterprise/servo,peterjoel/servo,KiChjang/servo,cbrewster/servo,notriddle/servo,sadmansk/servo,nrc/servo,dsandeephegde/servo,saneyuki/servo,SimonSapin/servo,pyfisch/servo,mattnenterprise/servo,anthgur/servo,ConnorGBrewster/servo,avadacatavra/servo,steveklabnik/servo,SimonSapin/servo,notriddle/servo,szeged/servo,canaltinova/servo,mattnenterprise/servo,mbrubeck/servo,splav/servo,nrc/servo,DominoTree/servo,upsuper/servo,SimonSapin/servo,mbrubeck/servo,DominoTree/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,CJ8664/servo,jimberlage/servo,thiagopnts/servo,ConnorGBrewster/servo,sadmansk/servo,notriddle/servo,steveklabnik/servo,avadacatavra/servo,mattnenterprise/servo,dati91/servo,eddyb/servo,saneyuki/servo,rnestler/servo,upsuper/servo,avadacatavra/servo,anthgur/servo,ConnorGBrewster/servo,mbrubeck/servo,avadacatavra/servo,larsbergstrom/servo,emilio/servo,mbrubeck/servo,CJ8664/servo,emilio/servo,dsandeephegde/servo,dsandeephegde/servo,avadacatavra/servo,rnestler/servo,sadmansk/servo,DominoTree/servo,pyfisch/servo,DominoTree/servo,CJ8664/servo,peterjoel/servo,nnethercote/servo,nnethercote/servo,jimberlage/servo,nrc/servo,mbrubeck/servo,peterjoel/servo,anthgur/servo,canaltinova/servo,steveklabnik/servo,anthgur/servo,steveklabnik/servo,jimberlage/servo,KiChjang/servo,pyfisch/servo,saneyuki/servo,fiji-flo/servo,anthgur/servo,SimonSapin/servo,KiChjang/servo,sadmansk/servo,pyfisch/servo,KiChjang/servo,saneyuki/servo,fiji-flo/servo,pyfisch/servo,szeged/servo,avadacatavra/servo,larsbergstrom/servo,larsbergstrom/servo,larsbergstrom/servo,canaltinova/servo,paulrouget/servo,pyfisch/servo,thiagopnts/servo,szeged/servo,CJ8664/servo,cbrewster/servo,rnestler/servo,peterjoel/servo,canaltinova/servo,pyfisch/servo,splav/servo,emilio/servo,dati91/servo,eddyb/servo,eddyb/servo,jimberlage/servo,avadacatavra/servo,peterjoel/servo,splav/servo,nnethercote/servo,steveklabnik/servo,canaltinova/servo,KiChjang/servo,anthgur/servo,notriddle/servo,peterjoel/servo,cbrewster/servo,saneyuki/servo,upsuper/servo,upsuper/servo,upsuper/servo,ConnorGBrewster/servo,thiagopnts/servo,thiagopnts/servo,szeged/servo,nrc/servo,splav/servo,splav/servo,cbrewster/servo,KiChjang/servo,DominoTree/servo,CJ8664/servo,sadmansk/servo,paulrouget/servo,nnethercote/servo,DominoTree/servo,ConnorGBrewster/servo,splav/servo,peterjoel/servo,SimonSapin/servo,emilio/servo,notriddle/servo,jimberlage/servo,nrc/servo,nnethercote/servo,dsandeephegde/servo,emilio/servo,dati91/servo,DominoTree/servo,larsbergstrom/servo,avadacatavra/servo,emilio/servo,DominoTree/servo,larsbergstrom/servo,fiji-flo/servo,saneyuki/servo,mattnenterprise/servo,jimberlage/servo,nnethercote/servo,ConnorGBrewster/servo,SimonSapin/servo,nrc/servo,saneyuki/servo,mattnenterprise/servo,paulrouget/servo,fiji-flo/servo,szeged/servo,szeged/servo,sadmansk/servo,paulrouget/servo,mbrubeck/servo,anthgur/servo,jimberlage/servo,szeged/servo,cbrewster/servo,fiji-flo/servo,thiagopnts/servo,cbrewster/servo,szeged/servo,upsuper/servo,thiagopnts/servo,paulrouget/servo,dsandeephegde/servo,splav/servo,dati91/servo,splav/servo,ConnorGBrewster/servo,steveklabnik/servo,jimberlage/servo,larsbergstrom/servo,cbrewster/servo,KiChjang/servo,saneyuki/servo,peterjoel/servo,paulrouget/servo,rnestler/servo,nnethercote/servo,CJ8664/servo,emilio/servo,paulrouget/servo,mbrubeck/servo,sadmansk/servo,dati91/servo,paulrouget/servo,larsbergstrom/servo,dati91/servo,emilio/servo,pyfisch/servo,fiji-flo/servo,dati91/servo,anthgur/servo,nnethercote/servo,nnethercote/servo,larsbergstrom/servo,peterjoel/servo,szeged/servo,saneyuki/servo,canaltinova/servo,fiji-flo/servo,emilio/servo