Log Message:
Update ruby-bundler package to 1.0.15.

## 1.0.15 (June 9, 2011)

Features:

  - Improved Rubygems integration, removed many deprecation notices

Bugfixes:

  - Escape URL arguments to git correctly on Windows (1.0.14 regression)

## 1.0.14 (May 27, 2011)

Features:

  - Rubinius platform :rbx (@rkbodenner)
  - Include gem rake tasks with "require 'bundler/gem_tasks" (@indirect)
  - Include user name and email from git config in new gemspec (@ognevsky)

Bugfixes:

  - Set file permissions after checking out git repos (@tissak)
  - Remove deprecated call to Gem::SourceIndex#all_gems (@mpj)
  - Require the version file in new gemspecs (@rubiii)
  - Allow relative paths from the Gemfile in gems with no gemspec (@mbirk)
  - Install gems that contain 'bundler', e.g. guard-bundler (@hone)
  - Display installed path correctly on Windows (@tadman)
  - Escape quotes in git URIs (@mheffner)
  - Improve Rake 0.9 support (@quix)
  - Handle certain directories already existing (@raggi)
  - Escape filenames containing regex characters (@indirect)

## 1.0.13 (May 4, 2011)

Features:

  - Compatibility with Rubygems master (soon to be v1.8) (@evanphx)
  - Informative error when --path points to a broken symlink
  - Support Rake 0.9 and greater (@e2)
  - Output full errors for non-TTYs e.g. pow (@josh)

Bugfixes:

  - Allow spaces in gem path names for gem tasks (@rslifka)
  - Have cap run bundle install from release_path (@martinjagusch)
  - Quote git refspec so zsh doesn't expand it (@goneflyin)

## 1.0.12 (April 8, 2011)

Features:

  - Add --no-deployment option to `install` for disabling it on dev machines
  - Better error message when git fails and cache is present (@parndt)
  - Honor :bundle_cmd in cap `rake` command (@voidlock, @cgriego)

Bugfixes:

  - Compatibility with Rubygems 1.7 and Rails 2.3 and vendored gems (@evanphx)
  - Fix changing gem order in lock (@gucki)
  - Remove color escape sequences when displaying man pages (@bgreenlee)
  - Fix creating GEM_HOME on both JRuby 1.5 and 1.6 (@nickseiger)
  - Fix gems without a gemspec and directories in bin/ (@epall)
  - Fix --no-prune option for `bundle install` (@cmeiklejohn)

## 1.0.11 (April 1, 2011)

Features:

  - Compatibility with Rubygems 1.6 and 1.7
  - Better error messages when a git command fails

Bugfixes:

  - Don't always update gemspec gems (@carllerche)
  - Remove ivar warnings (@jackdempsey)
  - Fix occasional git failures in zsh (@jonah-carbonfive)
  - Consistent lock for gems with double deps like Cap (@akahn)

## 1.0.10 (February 1, 2011)

Bugfixes:

  - Fix a regression loading YAML gemspecs from :git and :path gems
  - Requires, namespaces, etc. to work with changes in Rubygems 1.5