[OpenraveYarpPluginLoader] Enable file open with ResourceFinder

[jgvictores]

OpenraveYarpPluginLoader: Enable file open with ResourceFinder

NOTE: Before closing, edit https://github.com/roboticslab-uc3m/teo-configuration-files/blob/develop/scripts/bash/teoSim (https://github.com/roboticslab-uc3m/teo-configuration-files/blob/1a5dcee7331898b08edf920c9d462301d8dbc2ca/scripts/bash/teoSim) to not use the long hard-coded paths.

[jgvictores]

Race condition makes this this task slight difficult (robot must be loaded before open calls):

• Open(...) is registered as a callback via string open and can be called several times, as in https://github.com/roboticslab-uc3m/openrave-yarp-plugins/blob/770fd8e7e6553287b5ba567f01e47090e6ead6de/libraries/OpenravePlugins/OpenraveYarpPluginLoader/README.md "funky commands".
• Think about constructor
• Also recall that main is a strange animal (tracked at Improve OpenraveYarpControlboard parameter parsing #30 (comment)), which is called or not depending on how the OpenRAVE plugin is instanced.

[jgvictores]

Race condition makes this this task slight difficult (robot must be loaded before open calls):

Yes, there may be race conditions, so a mutex could be handy, but at least we are sure the CLI string open calls are called in order, because it's actually use who is parsing them at main().

[jgvictores]

OpenraveYarpPluginLoader: Enable file open with ResourceFinder

Implemented env at 3078c0d and 2e3916e

[jgvictores]

NOTE: Before closing, edit https://github.com/roboticslab-uc3m/teo-configuration-files/blob/develop/scripts/bash/teoSim (https://github.com/roboticslab-uc3m/teo-configuration-files/blob/1a5dcee7331898b08edf920c9d462301d8dbc2ca/scripts/bash/teoSim) to not use the long hard-coded paths.

Done at roboticslab-uc3m/teo-configuration-files@5a46cfd