Fixed issue #33
Generated variable names now follow the pattern a..z, aa..zz, aaa..zzz, etc.
Fixed issue #25
Corrected the capitalization of the "Project notes..." menu item
Updated Czech translation
Fixed #29
Corrected the capitalization of the "add a new sprite" tooltip
Added help screens
Added "Delete a variable" help screen
Fixed #22
Added a "help..." item to the context menus of the "Make a variable," "Delete a variable," and "Make a block" buttons which displays the appropriate help screen
Fixed #41
Dragging morphs will no longer throw a TypeError.
Fixed #47
Export picture of all scripts

* new entry in the ScriptsMorph's userMenu lets you export a picture of
all scripts, including comments.

* place sticky comments on World layer on dragging their anchor block,
fixes both #8 and #18

* additional settings for developing the backend
Merge pull request #35 from queryselector/issue-33

Fixed #33
Merge pull request #36 from queryselector/issue-25

Fixed #25
Merge pull request #37 from queryselector/issue-29

Fixed #29
Merge pull request #40 from queryselector/issue-22

Fixed #22
Merge pull request #42 from queryselector/issue-41

Fixed #41
Merge pull request #48 from queryselector/issue-47

Fixed #47
Fixed #51
Merge pull request #52 from queryselector/issue-51

Fixed #51
German translation update

for new "scripts pic..." feature on the scripting area's context menu.

Also pushed up version dates for new beta release, and added
SnapManual.pdf to the help folder
Fixed #55
Creating a variable which already exists no longer performs any action.