Removed PixelCenterOffset, uncesssary

Fixed lower-right rounded triangle rendering precision. ...

PixelCenterOffset is handled very inconsistently, needs to be fixed.

Examples: DirectX11: use linear sampler to be in sync with other examples.

Font fixes for horizontal centering within frames

ImDrawList merging commands with same texture

PushFont/PopFont changes texture at high-level in current draw list - faster

Added PushFont/PopFont API

Commenting asserts.

Fix usage of multiple Begin/End pair for the same window, handling of move in End() was stealing Active ID

Merge remote-tracking branch 'upstream/master' into 2015-01-truetype ...

Conflicts:
	imgui.cpp
	imgui.h

Tooltip always auto-resize. May look into max-over-xx-seconds policy later.

Allow SetNextWindowPos() to affect tooltips.

Added SetCursorScreenPos() helper (WindowPos+CursorPos = SrceenPos)

Collapsing header also honor FrameRounding

Examples: Added a color slider for the background color + tweak first example use of button.s

ColorEdit3: clicking on color square change edit-mode, removing color-edit mode button by default.

Added FrameRounding setting (default to 0 for now).

Fixed TooltipBg color not being honored by tooltip + no minimum tooltip size.

Fix missing glyph handling in modified stb_truetype.h (ttf branch)

Fix stupid crash on fallback glyph handling (ttf branch)

TODO list update

TODO list update

Improve memory reserve policy for Clipboard/ImGuiBuffer

Fixed logging to clipboard on architectures where va_list are modified by vsnprintf (fixed #112)

Warning fixes for llvm windows 64-bits

Fixed ImGuiTextBuffer::empty() to ignore the enforced zero-terminator ...

+ removed unnecessary destructor

Fixed style.WindowMinSize not honored properly.

Fix missing glyph handling in modified stb_truetype.h

Typos and comments

Fixed temporary glyph rectangle allocation using size much too big.