Added new class file
Fixed some problem with receiver positions, but still some problems left
Fixed bug with receiver positions
Code cleaning
added comment and removed redutant code
Merge branch 'master' of github.com:mushfiq/rssi-system into silvio
resloved merge conflict from mashes code
Bugfix of Watch Position
added benchmark script
new REST receiver insert script
added shell script
updated map width and height field for float support as data type
Bugfixing Watch Position Transformation Error
Merge branch 'master' into silvio