Set xxlarge class on file type inputs

For text input fields that take large amount
of data (like a full file + path), setting input-xxlarge class
helps with getting a proper display when using bootstrap.
Use consistent order of options in select

Always use true first, then false.
Reword insecure option

Google "self signed": 1.1 million hits
Google "auto signed": 33 000 hits.

Self signed wins.
Merge pull request #109 from dirkmueller/ssl_option_fixes

https://github.com/crowbar/barclamp-keystone/pull/109

Merged by devtool for cloudsleuth
Allow setting LDAP values at proposal-create time

Settings aren't required and usually expected to be set in "raw" mode.
Exposing those to the UI would be overkill and rarely needed. However,
this is still better than only support setting them via chef/knife.
Merge pull request #110 from saschpe/release/pebbles/master-ldap-proposal

https://github.com/crowbar/barclamp-keystone/pull/110

Merged by devtool for cloudsleuth