Modified Gemfile

* Updated rails to 4.1.4
* Added version range for all gems except which for development and test
Changed gem version to lock only major

* Changed from `~> x.y.z` to `~> x.y`
* Removed version range from sdoc and spring
* Added version range to omniauth-google-oauth2
fix adapter version
Merge pull request #88 from lodge/modify_gemfile_fix

アダプタのバージョン固定
Empty commit to trigger travis on develop branch
fix fonts path for bootstrap/gryphicons
fix glyphicons path
Merge pull request #91 from lodge/modify_gemfile-bootstrap_versionup

Bootstrapのバージョンアップに伴うフォントを読み込めなくなる不具合への対応
Merge pull request #87 from lodge/modify_gemfile

Modified Gemfile
Added release task (not implemented yet)
Modified log_task_failed
Removed begin/rescue block from release task
Implementing Gemfile replacement

* Remove '~>' version prefix
Added @root_path
Implemented Gemfile replace

Getting locked versions from Gemfile.lock,
and replace versions in Gemfile with them.
Modified regexp pattern
Moved task into namespace lodge:release
Added git status check
Modified git status option
Added bundle install check