(maint) Set the Mcollective version correctly

Windows packaging was not updating the mcollective.rb file with the
version information from the Mcollective Rakefile. This commit adds
logic to read the version from the Rakefile and update mcollective.rb
Merge pull request #63 from shrug/mcollective_version_fix

(maint) Set the Mcollective version correctly
(bug) Missing end in windows.rake
Merge pull request #64 from shrug/mcollective_version_fix

(bug) Missing end in windows.rake
(bug) Turn version_regexps into an instance variable

An earlier commit is using version_regexps outside of
the original method scope. This turns version_regexps
into a rake instance variable.
Merge pull request #65 from shrug/mcollective_version_fix

(bug) Turn version_regexps into an instance variable
(bug) Trying to use "flags" hash in the wrong scope
Merge pull request #66 from shrug/mcollective_version_fix

(bug) Trying to use "flags" hash in the wrong scope