fix option order of make servo
Implement white-space property(pre)

In order to support line-break by new-line character,
Fist, calculate new-line character's position.(fn flush_clump_to_list)
Second, split box(which includes new-line character) and do line-break.(fn scan_for_lines)
Use &str instead ~str in make_url
Dumping display list levels to rust log
Move servo-android-glue submodule to mozilla-servo.

For some reason the webconvforge organization is the cause of many API
failures. They seem to be sporadic but no one has any idea why it
happens.
auto merge of #1507 : deokjinkim/servo/white_space, r=metajack

In order to support line-break by new-line character,
Fist, calculate new-line character's position.(fn flush_clump_to_list)
Second, split box(which includes new-line character) and do line-break.(fn scan_for_lines)
auto merge of #1539 : aydinkim/servo/misc, r=metajack

fix android build error on certain environment
auto merge of #1541 : teosz/servo/master, r=metajack
auto merge of #1529 : ibnc/servo/display_list_debug, r=metajack
auto merge of #1543 : metajack/servo/local-submodules, r=jdm

For some reason the webconvforge organization is the cause of many API
failures. They seem to be sporadic but no one has any idea why it
happens.