update .gitignore to ignore .ruby-version && .ruby-gemset
make sure we require from the root path when running rake takss
add a version file and drop dependency on jeweler to convert over to bundler basis of rolling the gem
move out jeweler and manual tasks and import bundler gem_tasks
move to using gemspec for dev dependencies
use bundler format for gemspec and use VERSION constant for version instead of hard code
remove hard require
require manually vs using the bundle to handle all requires in dev
remove fragmented requires for nokogiri
use OLAP namespace for version
Merge branch 'master' of git://github.com/abrandoned/mondrian-olap into abrandoned-master

Conflicts:
	Gemfile
do not require jruby-openssl and autotest in specs
avoid ActiveRecord 4.0 warnings when preparing test data
fixed specs for mssql driver
do not use git ls-files to get list of gem files

as this introduces runtime dependency on git
get version from VERSION file
updated descriptions for version 0.5.0