power:adapted useful functions from power plugin of gsd
power:remove Makefile
power:respond to battery critical percentage event
power:deal with low battery event at startup and prompt for just once
power:added power settings schema file
power:using new schemas,dealing with idle and low power event,prompt for low power
power:added power schemas file
power:fixed the glib SIGSEGV when calling c code from golang by calling c code before calling other golang glib/dbus binding function
power:added files
power:added enums schemas file and update power schema xml file
power:added enums to data directory
Merge branch 'power' into develop