vim updated: Added tag v7-4-342 for changeset 8dcc6f142460
vim updated: Added tag v7-4-344 for changeset ce284c205558
vim updated: Updated runtime files.
vim updated: Added tag v7-4-345 for changeset ea2c5dfee1b0
vim updated: Added tag v7-4-346 for changeset 3248c6e40aee
vim updated: Added tag v7-4-347 for changeset a162d41f10e1
vim updated: Added tag v7-4-349 for changeset 79950dae1d7d
vim updated: Added tag v7-4-350 for changeset ad005d0114c1
vim updated: Added tag v7-4-351 for changeset f9ec944e4474
vim updated: Added tag v7-4-352 for changeset b4962cf3a1c0
vim updated: Added tag v7-4-353 for changeset d42a1d3b74d4
Enable coverage with clang

Also enable encoding conversion of some source code files.