start adding MEMDEBUG2 mode for flisp, which will allocate every object
explicitly with malloc.
get flisp MEMDEBUG2 working reasonably well
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
add GC to MEMDEBUG2 mode
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
allow semicolon at end of import and using statements. fixes #4130
Merge branch 'jb/flisp-memdebug2' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
start adding '.. doctest::' directives to manual
some doc/manual fixes found by doctest
DOC: Added section about column-major arrays to perf tips

Also added a note to the noteworthy differences from Python section
Merge branch 'master' into arrOrderPerf
Merge pull request #4897 from JuliaLang/mn/doctest

close #52 (run doc example code as a test suite)
remove trailing newline from show(::SparseMatrixCSC)
Disallow the fish shell; default to /bin/sh if not overriden.

Also Add in a warning notice when auto-changing the user's shell
Merge pull request #4924 from staticfloat/lutefisk

Disallow the fish shell; default to /bin/sh if not overriden.
DOC: Code/timings now appear in same order

Also removed "Remember" from section title

Also added link in arrays section
DOC: Changed title of column-major perf tip section

Restored the "remember" that was there to match
imperative nature of other titles
Merge pull request #4921 from spencerlyon2/arrOrderPerf

DOC: Added section about column-major arrays to perf tips