update license to GPLv2 and GPLv3

Fix warnings in debug build

Fix errors in debug build

Separate debug defines for every module

pico_tree_insert: check return value and free memory if needed

Issue #387: Added some more checking/freeing stuff/todos

[pico_protocol] - Added 'device'-param to pico_protocol's alloc-function. This to alloc frames with overhead based on link layer and device's overhead-field. Should fix #405 and #376

Issue #387: Check return value of pico_timer_add() and pico_timer_add_hashed()

fixing pico_tree_insert return value checking (issue #380)

mld fix potential mem leak (thanks coverity scan)

Make local variables static

detected using -Wmissing-variable-declarations clang option

Enforced style via uncrustify

Prevented a deadlock when switching compatibility mode

Removed duplicated code

q

Removed trailing white space

Made C89 compatible

Made C89 compatible

Cleanup of code

Changed pico_mcast_group address element to union pico_address

Splitted generate_report in multiple small functions for an increased code readability

Moved cleaning of filters to mcast module

Fixed failing unit tests

Fixed compiler warnings

Moved source filtering to mcast file

Merged data types of mld and igmp module

Fixed failing unit test

Possible null pointer check

fixed bug in done message

Improved C89 compatability (e.g. Watcom compiler)

Fixed compiler warning

Fixed compiler warning

Finalised module

Added mld unit tests

Fixed possible memory issue

Cleanup

Updated unit tests

Removed use of memcpy

Removed use of memcpy

Cleanup of old code

MLD HopByHop bug fixes

implementation of done messages

RFC 2710 and RFC 3810

Added MLDv2 to FSM

Implementation of MLDv2 reports

Cleanup compiler warnings

Bug fix in state diagram

Fixed mld debug strings (ipv6 address)

Fixed mld message len

Fixed issue generating reports

Functional test