adding Changelog/release notes for 1.2

CHANGELOG.txt

+
+Changes in Release 1.2 (since 1.1)
+--------------------------------------------------------------------------------
+
+ * added mmCIF parser to enable loading of mmCIF files. The following categories
+   are currently understood:
+   atom_site, entity, entity_poly, citation, citation_author, exptl, refine,
+   pdbx_struct_assembly, pdbx_struct_assembly_gen, pdbx_struct_oper_list,
+   struct, struct_conf, struct_sheet_range, pdbx_database_PDB_obs_spr,
+   struct_ref, struct_ref_seq, struct_ref_seq_dif
+
+ * trajectory analysis support
+
+ * better intergration with numpy
+
+ * added Smith-Waterman local align and Needleman-Wunsch global align algorithms
+
+ * static linking of C++ executables
+
+ * support for building OST library with no gfx, gui, info libraries. This leads
+   to a compact application bundle that can easily be deployed
+
+ * work around compiler bugs in gcc-4.1 enabling compilation with CentOS 5.5's
+   default compiler and libraries
+
+ * introducing the new table class, supporting all kinds of analyses on tabular
+   data, including plotting and statistical analyses.
+
+ * added stereochemical plausibility checks and support for multiple references
+   to lDDT
+
+ * new superposition dialog in DNG
+