Merge branch 'release/v2.4' into develop
took out unused line in strings.xml
changed theme to holo.light, still dark in pre-version 11
added 3 dip padding in Qtc calculator and removed background attribute that was making background black even in holo.light mode
left old version black, can consider implementing user selected theme vs just changing to Light theme
demonstrates how to change back to Holo (dark) in onCreate(), but needed setting for this.  Also need full styles for dark and light, and to make it work for API < 11
decision made only to change color scheme of v14 and greater.  Will leave old dark colors in Honeycomb and earlier
added version to About dialog
v11 styles are duplicated in v14 styles
added 3dip padding to warfarin calculator.  Removed black background to warfarin dosing screen.
fixed warfarin dosing table for holo.light, with new colors
fixed holo.light colors for wt calc, day calc, started drug calcs
Dabigatran now uses just one yellow-orange (dark_yellow) warning level.
All drug calculators now look ok in dark and holo.light
made cyclelength result large text size
made target sdk 20, compiled with version 4.4.4 android, made labels smaller in body wt calculator so rows not too big on small screen
changed holo light to holo dark colors in v14 style.xml, changed Dabigatran back to 2 different warning colors, need to fix green colors
added new colors.xml to values-v14 with holo light theme specific green
and cyan colors, changed cycle length, entrainment and qtc to use new colors.
took out old dead code.
took out more inappropriate background color settings in layout xml files.
changed warfarin clinic dose table colors for v14 to holo dark colors.