Update default_achievements.axp

Fixed some spelling errors
Update default_achievements.axp

Fixed spelling
Merge branch 'release/2.8' of http://github.com/openwebwork/webwork2 into devupdates
Merge pull request #144 from goehle/datetimefix

I took another look at everything and had a friend do some testing.  Everything looks OK so I'll merge.
Merge branch 'develop' of http://github.com/openwebwork/webwork2 into devupdates
Merge branch 'devtimedatefix' into devupdates
Added the functionality for a page to pass some extra parameters to the stop acting link.  This allows the Answer Log page to maintain its current fields when someone clicks stop acting.
Modified Classlist Editor 2 so that the edit table isn't quite so wide.
Backported fix for Visible/Reduced Credit Enabled checkboxes always being marked.
Fixed bug 2708 by commenting out tikz option
Merge branch 'hotfixes' into devupdates
Merge pull request #148 from goehle/hotfixes

Backport fixes
Tweaked behavior of an Achievement Item
Fixed a couple of bugs with gateway/quizes

- In math4 gateway.template didn't have the right bootstrap path
- GatewayQuiz.pm didn't include Base64.js which was causing knowls based solutions to fail.
Fixed a bug with HTML::Scrubber eating some <'s (2760)

Fixed a text bug when viewing a problem via the library.
Fixed a bug where Scrubber was eating <'s  (2760)

Fixed incorrect text when viewing a problem via the library
Removing scrubber
Merge branch 'hotfixes' into devupdates

Conflicts:
	conf/defaults.config
	lib/WeBWorK/ContentGenerator/GatewayQuiz.pm
	lib/WeBWorK/ContentGenerator/Instructor/ProblemGrader.pm
	lib/WeBWorK/ContentGenerator/Problem.pm
Cleaning some stuff up
Merge pull request #150 from goehle/devupdates

Devupdates