[builder] make retries configurable
[config] default build_retires to 3 to prevent a rather lengthy regression for failing builds
Whitelist libnsl on Arch Linux.
Replace tab with spaces.
Mention the required Vagrant plugins
add support for .tar.xz files
switch to usig pkgmk for solaris

- fpm is failing to install postinstall/postremove scripts
solaris mkpkg PR review fixes
Merge pull request #67 from sl4mmy/whitelist-libnsl-on-arch

Whitelist libnsl on Arch Linux.
Merge pull request #72 from opscode/OC-8537

switch to using pkgmk for solaris
Merge pull request #70 from jacobvosmaer/vagrant_plugins

Mention the required Vagrant plugins
Merge pull request #66 from sl4mmy/whitespace-fix

Replace tab with spaces.
CHEF-4593 - #comment Remove make install from c-example
CHEF-4594 - #comment Add prerm template
Merge pull request #73 from johntdyer/master

CHEF-4593 & CHEF-4594
[CHEF-4598] Remove Ubuntu 11.04; add Ubuntu 13.04
[CHEF-4598] Update Vagrantfile.erb to use provisionerless base boxes
Merge pull request #74 from opscode/CHEF-4598

CHEF-4598 - Vagrantfile template updates
manging generated prototype files

- need to change owner and group to 'root'
- need to strip leading '/' off paths
correctly use BASEDIR