[build] Add Makefile.wmsdk
[experiment] Make POSIX comm layer work with lwIP
[feature][build] Use WMSDK's own free & alloc
[build] Fix various build issues using new variables
[wmsdk][build] Use wmprintf for debug output
[posix][build] Better wrapper around POSIX-compatible sockets
[posix][build] Provide an option to disable timeouts -

currently this is more of workaround which needs investigation.
Merge pull request #44 from xively/travis/avr

Build for AVR on Travis
[build] Add `XI_OPTIMISE` make flag, it's a list.
[build][optimise] Allow to exclude error strings -

This drop about 1k on MSP430!
[clean] Remove unused constant
Merge pull request #45 from xively/opt/no_error_strings

Basic makefile framework for setting build optimisations
[feature] Add missing value getters
Merge pull request #46 from xively/datapoint_value_getters

Add missing value getters
[fix] added optimized version of the get error string function
[fix] compilation problem no assert.h present on msp430 target platform
[clean] Being pedantic about blank lines
Merge pull request #47 from xively/opt/no_error_strings

[fix] added optimized version of the get error string function
Merge pull request #43 from xively/wmsdk-with-lwip-posix-compat

Adding WMSDK port with lwIP/POSIX compatibily
[git] add qtcreator project files to the ignored files list