Bump NQP

NQP Bump brought these changes:
Raku/nqp@2017.04-48-g745c61d...2017.04-72-gc60df1e

c60df1e Bump MoarVM version
7c4bd48 Merge pull request #357 from MasterDuke17/zero_slot_when_popping_an_array
7f71ec8 Zero slot when popping an array
e3c6be0 Stop testing that nqp::sprintf converts a string that isn't a number to 0
f42720e Fix incorrect use of == when eq should be used
ae21dc4 Stop converting a '6 cute' to string
d8e1773 Avoid numifying '!'
3dbc977 Merge pull request #356 from MasterDuke17/sql_profile_output_changes
3641654 Add primary and foreign key constraints to SQL
c5fcacd Some cleanup to the SQL profile output
78b233e [js] Work around for unicode issue
2bfafb8 Reindent code
a5adc67 Test nqp::chr with an argument that bigger than 2**16
b82f609 [js] Make nqp::chr supports arguments that are bigger than 2**16
526275c [js] Fix nqp::encode with unsigned buffers
508cfaa Test method_not_found_error
bbfb1bd [js] Implement method_not_found_error
75c7430 [js] Fix bad argument name
4954f24 Test numifying 'NaN', 'Inf', '-Inf' and '+Inf'
02bdfce [js] Numify 'NaN', 'Inf', '+Inf' and '-Inf' like other backends
172950b Test QAST::Want
2f6536c [js] Remove useless NYI
cdbfe6f [js] Implement cloning integers
ef08375 [js] Remove TODO comment that doesn't provide any information

MoarVM Bump brought these changes:
MoarVM/MoarVM@2017.04-44-gf0db8822...2017.04-56-g8ad18b8

8ad18b8 Merge pull request #589 from MasterDuke17/zero_slot_when_popping_an_array
b53b05f Pull body->start + body->elems out into a variable
5fa7d8a Zero slot when popping an array
66c6dda Merge branch 'configure-telemeh-probe-rdtscp'
b373dcd give __rdtscp a more proper stub implementation
fdc653d we always define MVM_RDTSCP, but sometimes with 0 instead of 1.
387a771 fix copy-pasto, MasterDuke17++
4ba8a17 include or exclude telemetry log env var in usage/--help
1850cb9 document --no-telemeh and --telemeh
b77a3b8 enable --telemeh, --no-telemeh, and probe for rdtscp
e5b527e Rename h_vars to H_vars to make haystack vars distinguishable from n_vars
1fd9e49 lineno annotations don't have deopt index

tools/build/NQP_REVISION

@@ -1 +1 @@
-2017.04-48-g745c61d
+2017.04-72-gc60df1e