(QENG-740) Insert a flag into the options hash when doing a PE upgrade
(QENG-743) Beaker options hash 'merge' should not modify the...

...global settings
- merge was behaving like merge!
- merging two OptionsHash objects should result in a new OptionsHash
  and not affect the original hashes at all.
(QENG-40) remove expandpath from file loading in beaker require blocks

- just use an expected path in requires
Merge pull request #287 from branan/qeng-740

(QENG-740) Insert a flag into the options hash when doing a PE upgrade
Merge pull request #288 from anodelman/options-hash-merge

(QENG-743) Beaker options hash 'merge' should not modify the...
create beaker 1.12.1 gem
Merge pull request #291 from anodelman/make-gem

create beaker 1.12.1 gem
Merge pull request #290 from anodelman/remove-expand-path

(QENG-40) remove expandpath from file loading in beaker require blocks
(QENG-714) use all junit tags available for beaker xml output

- switch over to nokogiri (cleaner, easier)
- add logs to system-out tag
- add tag for time that each test suite takes to execute
- add property tags for each beaker option
- add empty junit.xsl stylesheet as a placeholder