Documentation update.
1. Renamed ceres.tex to ceres-solver.tex
2. Updated Solver::Options docs to reflect the recent changes.
3. Updated .gitignore to ignore ceres-solver.pdf
Change-Id: Iea19f8ff5fa1638a498422c8be5ed2e6da2950c9
diff --git a/docs/bundleadjustment.tex b/docs/bundleadjustment.tex
index 070e09a..5a1298c 100644
--- a/docs/bundleadjustment.tex
+++ b/docs/bundleadjustment.tex
@@ -1,4 +1,4 @@
-%!TEX root = ceres.tex
+%!TEX root = ceres-solver.tex
\chapter{Bundle Adjustment}
\label{chapter:tutorial:bundleadjustment}
One of the main reasons for writing Ceres was our need to solve large scale bundle adjustment problems~\cite{hartley-zisserman-book-2004,triggs-etal-1999}.
