Merge pull request #10 from Jerome-github/raspberrypi_run_python_script

RFM2Pi Gateway
User-defined period for emonGLCD send time
Merge pull request #19 from Jerome-github/sendtimeinterval

User-defined period for emonGLCD send time
Merge pull request #20 from emoncms/dev

Merge of dev into master
Merge remote-tracking branch 'upstream/dev' into custom_local_server_path
added isset to all set properties so that properties are only updated if present in the set json string
Remove www-data stuff from readme until it is needed
RFM2Pi Gateway: Ensure the script is executable
service script for php interface script thanks to https://github.com/myheathub/mhh
make excutable
isset check
Merge pull request #23 from Jerome-github/remove_www-data_stuff_from_readme

RFM2Pi Gateway: Remove www-data stuff from readme until it is needed
updated php gateway readme
log
links to full documentation
Merge remote-tracking branch 'upstream/master' into custom_local_server_path
RFM2Pi Gateway: custom local emonCMS protocol