Merge pull request #3 from zguangyu0000/master

Change SBIG sdk download url
add --dark-quantile command-line parameter to rts2-image


git-svn-id: http://svn.code.sf.net/p/rts-2/code/trunk/rts-2@12114 65ab8f4e-f147-0410-b3a9-f14133ecfe55
Add .gitignore
add load average value into system sensord
added LIB_PTHREAD to httpd Makefile
Merge branch 'master' of github.com:RTS2/rts2
axDec and axRa are writable
fixed low/big endian conversion
GEM parameters are visible from as RTS2 parameters
added clarity log parsing sensor
added comments
changed values to work correctly with ME data
fixed clarity log file parser
expanded rts2-scriptor manual page
fixed bug in constraint handling
fixed extra 0 in time return (from)
fixed script for target scheduling
Merge branch 'master' of github.com:RTS2/rts2
added sky condition to values shown for Clarity
changed timestamp to timestamp with timezone