weather station correction

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5272 2b470e98-0d58-463d-a4d8-8e2adae1ed80
FRM: refactor I2C to support new hardware-independent interface, refactor and rename  FRM_LCD to I2C_LCD

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5273 2b470e98-0d58-463d-a4d8-8e2adae1ed80
STACKABLE_CC (busware device) support added


git-svn-id: svn://svn.code.sf.net/p/fhem/code@5274 2b470e98-0d58-463d-a4d8-8e2adae1ed80