remove leaks introduced by previous commit. Ressource::getProperty
creates a heterogeneous dict if set_property_value is called on a non
existing dict of properties. Sounds more logical to create a
heterogeneous dict during parsing too. BTW using homogeneous dict
everywhere makes chord example fails ...
Add FIXME.
Typo in variable name (EXEEXT).
Be consistent wrt the number of empty lines between releases.
Add missing date to ChangeLog.
add java doc link to simgrid's main doc
Add link to documentation in Changelog
(cherry picked from commit f5e2b1d883013d6710edaba08ac53218a46e7747)
Add some informations/help for the user on SIGSEGV
Update tesh files after commit 2c2afb4d73ea196ea97ca46bc89dd512451222db (untested).
try to have all these mpich temporary libs sent to the right folder while building
Fix bug with const in java bindings
Improve Packet level simulation documentation
Revert "try to have all these mpich temporary libs sent to the right folder while building"

This reverts commit 3f8e8c0e3b6c8faab8c96a8875bff2eaebbe3e99.
add rule to use gcc-ar and gcc-ranlib instead of ar and ranlib for gcc >=4.9
see https://gcc.gnu.org/gcc-4.9/changes.html for explanations
Merge branch 'v3_11_x'

Conflicts:
	examples/msg/properties/msg_prop.c
	examples/simdag/properties/sd_prop.c
Remove some unbreakable spaces breaking the pdf generation
Small fixes to the documentation
Remove benchmarking calls from cart_create
don't do the call if an error is caught before
doc is whining +indent