added r logger to ui and started refactoring calc.js
improved usability of log status
r logger minor bugs fixed
Merge branch 'master' of github.com:openforis/calc into steptest

Conflicts:
	calc-webapp/src/main/webapp/index.html
	calc-webapp/src/main/webapp/js/calc/manager/data/job-manager.js
Code clean, create CalcTestJob class