Fix version in makefile
Fix version in makefile

OLD:
```
jessie at debian in ~/notary on fix-makefile
$ ./bin/notary version
notary
 Version:    '1.0-rc1'
 Git commit: 'ab66379'
```

WITH PATCH:
```
jessie at debian in ~/notary on fix-makefile
$ ./bin/notary version
notary
 Version:    1.0-rc1
 Git commit: ab66379
```

Signed-off-by: Jessica Frazelle <e0d1a862d8f31af605ecef8c92857b8938ba622e@docker.com>

umayr/notary,joeuo/docker.github.io,docker-zh/docker.github.io,shubheksha/docker.github.io,denverdino/docker.github.io,LuisBosquez/docker.github.io,jzwlqx/denverdino.github.io,sanscontext/docker.github.io,umayr/notary,thaJeztah/docker.github.io,bdwill/docker.github.io,cyli/notary,denverdino/denverdino.github.io,anweiss/docker.github.io,sanscontext/docker.github.io,aduermael/docker.github.io,docker-zh/docker.github.io,alexisbellido/docker.github.io,aduermael/docker.github.io,thaJeztah/docker.github.io,endophage/notary,docker/notary,jzwlqx/denverdino.github.io,londoncalling/docker.github.io,rillig/docker.github.io,londoncalling/docker.github.io,joaofnfernandes/docker.github.io,johnstep/docker.github.io,aduermael/docker.github.io,andrewhsu/notary,docker/docker.github.io,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,LuisBosquez/docker.github.io,alexisbellido/docker.github.io,joeuo/docker.github.io,gdevillele/docker.github.io,docker-zh/docker.github.io,thaJeztah/docker.github.io,joeuo/docker.github.io,JimGalasyn/docker.github.io,troy0820/docker.github.io,sanscontext/docker.github.io,denverdino/denverdino.github.io,bdwill/docker.github.io,rillig/docker.github.io,HuKeping/notary,bdwill/docker.github.io,LuisBosquez/docker.github.io,rillig/docker.github.io,johnsandiford/notary,NathanMcCauley/notary,johnstep/docker.github.io,aduermael/docker.github.io,anweiss/docker.github.io,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,anweiss/docker.github.io,denverdino/denverdino.github.io,thaJeztah/docker.github.io,gdevillele/docker.github.io,gdevillele/docker.github.io,JimGalasyn/docker.github.io,LuisBosquez/docker.github.io,andrewhsu/notary,endophage/notary,BSWANG/denverdino.github.io,mtrmac/notary,mtrmac/notary,moxiegirl/notary,denverdino/docker.github.io,phiroict/docker,endophage/notary,BSWANG/denverdino.github.io,BSWANG/denverdino.github.io,denverdino/docker.github.io,JimGalasyn/docker.github.io,shubheksha/docker.github.io,riyazdf/notary,JimGalasyn/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,dqminh/notary,bdwill/docker.github.io,denverdino/denverdino.github.io,jfrazelle/notary,docker-zh/docker.github.io,andrewhsu/notary,denverdino/docker.github.io,londoncalling/docker.github.io,sanscontext/docker.github.io,joeuo/docker.github.io,riyazdf/notary,phiroict/docker,shin-/docker.github.io,johnstep/docker.github.io,bdwill/docker.github.io,danix800/docker.github.io,phiroict/docker,troy0820/docker.github.io,cyli/notary,joaofnfernandes/docker.github.io,NathanMcCauley/notary,docker/notary,menglingwei/denverdino.github.io,NathanMcCauley/notary,shin-/docker.github.io,vdemeester/notary,moxiegirl/notary,HuKeping/notary,shin-/docker.github.io,shin-/docker.github.io,vdemeester/notary,menglingwei/denverdino.github.io,shin-/docker.github.io,BSWANG/denverdino.github.io,joeuo/docker.github.io,sanscontext/docker.github.io,menglingwei/denverdino.github.io,docker-zh/docker.github.io,phiroict/docker,jzwlqx/denverdino.github.io,jzwlqx/denverdino.github.io,danix800/docker.github.io,cyli/notary,dqminh/notary,denverdino/docker.github.io,gdevillele/docker.github.io,docker/docker.github.io,shubheksha/docker.github.io,docker/docker.github.io,danix800/docker.github.io,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,umayr/notary,docker/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,rillig/docker.github.io,docker/notary,jfrazelle/notary,thaJeztah/docker.github.io,gdevillele/docker.github.io,johnsandiford/notary,shubheksha/docker.github.io,denverdino/denverdino.github.io,alexisbellido/docker.github.io,londoncalling/docker.github.io,anweiss/docker.github.io,troy0820/docker.github.io,johnsandiford/notary,alexisbellido/docker.github.io,jfrazelle/notary,phiroict/docker,mtrmac/notary,danix800/docker.github.io,LuisBosquez/docker.github.io,BSWANG/denverdino.github.io,docker/docker.github.io,vdemeester/notary,johnstep/docker.github.io,dqminh/notary,joaofnfernandes/docker.github.io,HuKeping/notary,moxiegirl/notary,troy0820/docker.github.io,shubheksha/docker.github.io