Merge pull request #17 from tschw/19188

Code Review for Job #19188
link curl to shared library, not interface
move stars.txt to S3 bucket
Added PaintMode, toggle for stars, etc.
adjusts braces to agreed conventions
silences warning by using pointer to const as string parameter for 'drawtext'
(conversion of string literals to char* is deprecated)
tightens ogl state handling (also fixes unreadably thick text for stats display)
tightens memory use