fixed type-issue for linked list indices

thanks, Nate, for reporting this issue
experimental MAP primitive reporter

in lists category, visible in dev mode for now
fixed #199

"can't delete reporter with attached comment via context menu"
MAP primitive variant for linked lists
"sanity check" for cloud-saving mechanism

errors if the serialized project data is corrupt and cannot be parsed
as XML, addresses #203, #200, #171. I'm hoping that this might provide
us a clue whether the corruption is happening in Snap's marshalling or
on the backend side
Add Portuguese translation for three new strings (simple block prototype labels).
Correct typo.
Condense damage list by merging overlapping dirty rectangles

thanks, Craxic, for suggesting the idea for this optimization in #192 !
Increase maximum clone count from 128 to 300
Merge pull request #205 from MMSequeira/master

Update Portuguese translation.
Portuguese translation update integration
Condense damage list even more

by merging nearby rectangles, thanks, Craxic, for the idea for this in
#192
fixed #213 - Empty else block breaks return to caller

Thanks, Art, for reporting this bug!
Merge pull request #17 from jmoenig/master

Snap Merge