Fixed: inconsistencies in dialog_eeschema_config.cpp (delete and add/insert do not have the same behavior: add/insert cannot be cancelled )

broken SCH_COMPONENT::GetRotationMiroir() rewritten (problem when editing a mirrored and rotated component fixed)

Added application method to fix searching for user libraries.
Fixed documentation search path bug.
Moved auto pan setting from draw frame to draw panel were it is defined.
Some minor device context drawing changes.

eeschema: fixed: void history file list in menu

eeschema: fixed: void history file list in menu

Added template subdirectory to library search path list.
Removed PARAM_CFG_BASE empty destructor to prevent GCC warning.
Set timeout to 0 on DisplayInfo call to prevent debug assertion in eeschema/files-io.cpp.
Declare PARAM_CFG_ARRAY for future project file object implementation.
Removed unnecessary COMMON_GLOBL definition in gr_basic.h and param_config.h.

Global variable unobfuscation, new library path search, and lots of other changes.  See CHANGELOG.txt.