remove dependency to nokogiri

replace nokogiri to REXML standard XML library

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Add KVM modlue check logic

fixed #20
support cpu/memory configuration

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
add document for configuration

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Make export/package working

Implement #40

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
update module check logic

- adopt p0deje's suggestion
fix broken unless block
check return value of system("modprobe kvm")

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
update document

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix nil reference when no network option

fixed #49

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge pull request #67 from miurahr/check_kvm_kernel_module

Add KVM modlue check and loading kvm kernel module
close #20
Merge pull request #68 from miurahr/add_cpu_mem_config

support cpu/memory configuration
Merge pull request #69 from miurahr/work_vagrant_package

Make export/package working
Merge pull request #66 from miurahr/use_rexml

remove dependency to nokogiri
fixed #57
add japanese translation

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix typo: bad quote

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge pull request #71 from miurahr/l10n_ja

add japanese translation
use default ip for nfs/ssh when no configuration

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge pull request #70 from miurahr/fix_nil_options_has_key

fix nil reference when no network option
no need specify private network in box

Signed-off-by: Hiroshi Miura <miurahr@linux.com>