Remove 1.0.0-alpha4

To fix the build break and continue maintaining docker
tags starting from beta1, removed 1.0.0-alpha4 dockerfile
and fixed readme.

Signed-off-by: Ahmet Alp Balkan <ahmetb@microsoft.com>
Merge pull request #15 from ahmetalpbalkan/remove-alpha4

Remove 1.0.0-alpha4
Replace K Runtime install location by $KRE_USER_HOME to avoid troubles
Merge pull request #17 from muojp/fix_kruntime_home

Replace K Runtime install location by $KRE_USER_HOME to avoid troubles
curl: follow redirects and silent for kvminstall

Signed-off-by: Ahmet Alp Balkan <ahmetb@microsoft.com>
Merge pull request #16 from ahmetalpbalkan/curl

curl: follow redirects and silent for kvminstall
add onbuild
update READMEs and such
fix readme
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