Fix incorrect exit status from 'help <command>'.
Fix vgrename using UUID if there are VGs with identical names.
Fix segfault when invalid field given in reporting commands.
+ Move is_static from cmd to global is_static().
Refactor init_lvm() for lvmcmdline and clvmd.
Add liblvm interactive test infrastructure to build.
+ Add skeleton lvm2.h file in preparation for a shared library interface.
Use better random seed value in temp file creation.
Add read_urandom to read /dev/urandom. Use in uuid calculation.
Use displayable_lvs_in_vg and lv_is_displayable for consistency throughout.