use "is_update_repo" flag for finding update repositories
Merge pull request #58 from yast/update_repo

use "is_update_repo" flag for finding update repositories
"reg_ssl_verify=0" boot parameter disables SSL checks (part of bnc#874745)
changes

- 3.1.39
use Linuxrc "ptoptions" feature for "reg_ssl_verify" boot option
reuse the already existing "regurl" parameter
registration_spec.rb share a method stub in the global "before" block
Merge pull request #57 from yast/reg_ssl_verify

Add "reg_ssl_verify" boot option support
fixed return value from product registration call (bnc#875412)

- 3.1.40
updated changes
Merge pull request #59 from yast/registration_fix

fixed return value from product registration call (bnc#875412)
added a nil check when reading the long product name (bnc#875796)

- 3.1.41
Merge pull request #60 from yast/nil_check

added a nil check when reading the long product name (bnc#875796)
display details about SSL verification error, ask user to import an unknown certificate
disable rmv 2.1.0 at Travis, it's broken currently...
ignore rvm 2.1.0 build failures instead of disabling the build completely
Merge pull request #62 from yast/travis_tmp_fix

disable rmv 2.1.0 at Travis, it's broken currently...
review fixes
use ERB comments
review fixes