Upgraded Devise dependency to be looser but with a minimum version of 3.2.4

Fixes #2473
Fixes #2594
fix breaking test in latest activity

Creating a new page can trigger a translation to occur, which in turn
can cause the page to be updated.  The latest activity feed sees the
difference between the created_at and updated_at timestamps, and
treats the new page as an update, and not a new addition, in the test
Simplify instructions for getting on Rails 4.1.x now
Avoid using db:test:prepare to generate the dummy app.

Fixes #2629
Update the docs and add helpful notes.

Fixes #2577
Merge pull request #2635 from refinery/loose-devise-dependency

Upgraded Devise dependency to be looser but with a minimum version of 3.2.4
Change Rails version to 4.1.4

Fixes #2640
Move finder from pages/app/models to pages/lib.
after the fix dummy app needs to be regenerated
Merge pull request #2642 from duccioarmenise/patch-1

after the fix dummy app needs to be regenerated
is better to clean_dummy_app instead of rm dir
notification email_from_name configurable closes #2579
Merge pull request #2645 from duccioarmenise/master

Notification email_from_name configurable - closes #2579
Fixes #2213 - improves compatibility when jquery-ui stylesheet is included
add consistent 1.9 hash syntax in Gemfile
Merge pull request #2649 from buddhamagnet/consistent-gemfile-format

Add consistent 1.9 hash syntax in Gemfile
Merge pull request #2637 from ghoppe/inc-pagefinder

Refactor PageFinder
Merge pull request #2646 from asgeo1/jquery-ui-stylesheet-compatibility

Fixes #2213 - improves compatibility when jquery-ui stylesheet is included
Fixes #2650 by specifying updated dependencies, preferring gemspec rather than Gemfile.
Fixed positioning of close link on dashboard welcome message.